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Bosch: Renewable synthetic fuels for less CO₂

01.10.2019

Press release

Powertrain systems

Bosch: Renewable synthetic fuels for less CO₂

Stuttgart, Germany – The Paris Agreement calls for global warming to be limited to 2℃ above pre-industrial levels, preferably even 1.5°C. The fossil CO₂ emitted by road vehicles will have to be reduced to nearly zero over the next three decades for that to happen. The big question is how. Electromobility is just now picking up momentum. Electric cars are only as emissions-free as the production of electricity that charges their batteries. Besides, around half the vehicles that will be on the road in 2030 have already been sold, most with gasoline or diesel engines. Legacy vehicles will also have to play their part in cutting CO₂ emissions. One path to achieving this is with renewable synthetic fuels.Seven reasons why renewable synthetic fuels will be part of tomorrow’s mobility mix: 1) Time Renewable synthetic fuels have long since left the basic research phase. Technically speaking, it is already possible to manufacture synthetic fuels. First, they apply electricity generated from renewable sources to obtain hydrogen from water. Then they add carbon. Finally, they combine CO₂ and H₂ to make synthetic gasoline, diesel, gas, or kerosene. The production process is viable, but capacity is lacking. It has to be expanded rapidly to meet demand. Incentives could come from fuel quotas, offsetting CO₂ savings against fleet consumption, and long-term planning certainty. 2) Climate neutrality As their name suggests, renewable synthetic fuels are made exclusively with energy obtained from renewable sources such as the sun or wind. In the best-case scenario, manufacturers capture the CO₂ needed to produce this fuel from the surrounding air, turning a greenhouse gas into a resource. This creates a virtuous cycle where the CO₂ emitted by burning renewable synthetic fuels is reused to produce new fuels. Vehicles on the road, when powered by synthetic fuel, are ultimately climate-neutral. 3) Infrastructure and powertrain technology The Fischer-Tropsch process produces renewable synthetic fuels that can be used with today’s infrastructure and engines. Experts call them “drop-in” synthetic fuels because they can be deployed without first modifying infrastructure and vehicles, and they have an immediate impact and deliver faster results. They may also be added to conventional fuel to help reduce CO₂ emissions from vehicles already on the road today. This way, these fuels could contribute to the cause even before they are ramped up for larger-scale production. The chemical structures and basic properties of gasoline remain intact, so even vintage cars can run on synthetic gas. 4) Costs Producing synthetic fuels is still a costly process. Renewable synthetic fuels will become considerably more affordable when production capacities are expanded and the cost of electricity generated from renewable sources comes down. Present studies suggest that a pure fuel cost of between 1.20 and 1.40 euros a liter can be achieved (excluding any excise duties) by 2030, and as little one euro by 2050. These fuels’ cost disadvantage compared with fossil fuels could be significantly reduced if value was ascribed to the environmental advantage of renewable synthetic fuels. The fact that they are compatible with today’s infrastructure and automotive technology gives them an advantage over other alternative powertrains. 5) Potential applications Even at the point in the future when all cars and trucks are powered by batteries or fuel cells, airplanes, ships, and parts of the heavy-goods transport sector will continue to rely on conventional fuels. Combustion engines powered by carbon-neutral synthetic fuels are therefore a crucial path to explore. 6) Resources Fuel in the tank or food on a plate – this question does not come up with synthetic electricity-based fuels. Innovative biofuels, which are for example produced from waste materials, are useful – however, the supply is limited. When renewable energy is used, synthetic fuels can be produced in unlimited quantities. Sufficient renewable energy can be generated worldwide to produce fuel that can then be stored and transported relatively easily. 7) Storage and transport Synthetic fuels are produced with renewable energy. This process yields a gas or liquid. And that makes renewable synthetic fuels a good medium for storing large amounts of renewable energy and even transporting it across the globe cost-effectively. They can serve as a buffer for fluctuating solar or wind energy or to circumvent regional restrictions on the expansion of renewable energy production. This also affects efficiency ratings. A compact electric car charged in Germany with renewable electricity from Germany converts around 60 to 70 percent of that grid power into road performance. If the electricity comes from further afield and the energy has first to be stored in a chemical medium before being converted back into electricity, efficiency drops to 20–25 percent. This is the same efficiency as a vehicle run on renewable synthetic fuels.

Climate action: Bosch to be carbon neutral worldwide by 2020

09.05.2019

Press release

Sustainability

Climate action: Bosch to be carbon neutral worldwide by 2020

Stuttgart and Renningen, Germany – Bosch is to be fully climate-neutral as early as next year. Its over 400 locations worldwide, and their engineering, manufacturing, and administrative facilities, will no longer leave a carbon footprint. This will make Bosch the first major industrial enterprise to achieve this ambitious goal in a little over a year. “We see climate action as our responsibility, and believe we have to act now,” says Dr. Volkmar Denner, chairman of the board of management of Robert Bosch GmbH. In a bid to swiftly achieve carbon neutrality, Bosch will buy more green electricity in the near term and compensate for unavoidable CO2 emissions with carbon offsets. In the years to 2030, the company will gradually increase the share of renewable energy in the power that it generates and buys, and will invest a billion euros to boost its locations’ energy efficiency.Once Bosch achieves climate neutrality, it will no longer adversely affect carbon dioxide concentration in the atmosphere. The company is thus making an important contribution to the Paris climate agreement ratified in 2015, which calls for global warming to be kept well below two degrees Celsius above pre-industrial levels. “Everyone has to contribute to climate action,” Denner says. Swift action to achieve early carbon neutrality Industrial enterprises such as Bosch can make a significant contribution to the drive for global climate neutrality. According to the International Energy Agency, manufacturing accounts for around 32 percent of global carbon dioxide emissions. As it stands, Bosch emits around 3.3 million metric tons of carbon per year. The company has already reduced carbon emissions relative to its value creation by nearly 35 percent since 2007. “We are not starting from scratch. We have consistently exceeded our targets for the relative reduction of carbon emissions. Now the time has come for absolute targets. Let the final countdown begin,” Denner says. Focusing on sustainable, renewable power supply Starting in 2020, Bosch will compensate for any residual and unavoidable carbon emissions primarily by buying green power from legacy plants and taking part in carbon offset programs. The company is investing in environmental projects, certified to rigorous standards, aimed at supporting social and ecological development. Carbon offsets are to be gradually scaled back by 2030, and Bosch is stepping up investments in renewable energies to this end. It also intends to enlarge company-owned photovoltaic systems such as those in place at the Nashik and Bidadi locations in India. The company expects to achieve a tenfold increase in installed energy capacity with this move. Bosch will also sign long-term, exclusive supplier contracts with new wind and solar farms around the world, which can then operate profitably even without government subsidies. A billion euros – and connected solutions – for greater energy efficiency Enhanced energy efficiency is a powerful tool for achieving carbon neutrality. Bosch will invest a billion euros in the energy efficiency of its plants and buildings over the next ten years. “We want to reduce energy consumption and carbon dioxide emissions in absolute terms, and not just relative to value creation,” Denner says. By 2030, the company plans to save additional energy amounting to some 1.7 terawatt hours per year. This is more than one-fifth of its current annual consumption, and comparable to the amount of electricity consumed by private households in Cologne. Bosch has been vigorously pursuing environmental management practices for years. In 2018 alone, the company carried out some 500 energy-efficiency projects, reducing power consumption by close to 1.5 percent. Connected manufacturing has also become a key efficiency driver. Bosch has already deployed its proprietary energy platform, a part of the company’s portfolio of Industry 4.0 solutions, to more than 30 factories around the world. This platform is a cloud-based software solution that can track and control every single machine’s power consumption. Climate action pays social and economic dividends In the years up to 2030, the company will incur one billion euros in added costs by buying green electricity, engaging in carbon offset programs, and sourcing power from renewables. In that same period, Bosch will invest one billion euros to boost in-house energy efficiency. This increase in energy efficiency will save Bosch around one billion euros, thereby bringing the company’s expenditure on carbon neutrality down from around two billion to one billion euros by 2030. “Carbon neutrality is doable and, if pursued with the necessary determination, can be achieved quickly. Our investments benefit not only us at Bosch, but humankind in general as well,” Denner says. A selection of exemplary Bosch projects The Feuerbach plant – energy efficient thanks to people and machinery Feuerbach, Germany, is home to Bosch’s oldest location worldwide. Established in 1909, it has steadily and systematically modernized its facilities to contribute to the company’s overall energy efficiency. With training sessions in its “Energieerlebniswelt” (energy experience world), the local team focuses on energy monitoring and increasing awareness among the workforce. The plant has pursued heat recovery, room automation, machine power shut-off management, and shop renovation projects with great success. Its energy requirements are down more than 50 percent compared with 2007; its carbon emissions – relative to value creation – are down 47 percent. Crunching data to conserve energy at Homburg The Bosch location at Homburg, in the German state of Saarland, is edging ever closer to the vision of an energy efficient, self-learning plant. It has spared the world around 5,000 metric tons of carbon dioxide in the past two years and more than 23,000 tons since 2007. This approach pairs maximum transparency with technical innovation. An energy management platform developed by Bosch uses data from the machinery collected at some 10,000 measuring points. Associates can track, control, and optimize each individual machine’s power consumption. Technical solutions include ventilation of manufacturing shops on an as-required basis, utilization of waste heat from various machining processes, and smart consumption management for machinery. Green roofs, photovoltaic systems, and carbon neutrality at Renningen The Bosch location at Renningen has been carbon neutral since January 2019. Carbon offsets fully compensate for the carbon footprint of the natural gas burned by its heating system. The facility buys green electricity to cover its power needs. And the 460 photovoltaic modules installed on the roofs of buildings generate electricity for the campus’s own use. To help control temperatures inside the buildings, roofs on the research campus are covered in greenery; a 3,600 m3 underground cistern collects rainwater that seeps through the plant cover for use in the air-conditioning system’s cooling towers. The green rooftops also provide an insulating buffer against direct sunlight and excessive accumulation of heat on the roof. This combination reduces the amount of energy needed to air-condition buildings by 20 to 30 percent. The location also operates a water treatment plant that enables Bosch to conserve around 20,000 m3 of drinking water a year. Sustainable heating at Rodez Reduce the site’s carbon footprint – that was what the team at Rodez in France set out to do when it started making plans as far back as 2009. The location now has a biomass heating plant, up and running since 2013. It burns wood chips obtained from local certified sustainable forestry resources. Rodez uses its power to heat water and generate process heat. On average, the wood chip-fired plant covers 90 percent of the location’s heating requirements. It consumes some 6,600 metric tons of wood chips a year. Burning this biomass releases no more carbon than the trees had taken from the atmosphere. The factory has reduced its yearly emissions by around 600 tons. Reducing the carbon footprint at Bidadi and Nashik, India, with power generated on site Bosch India is pursuing carbon neutrality by tapping locally available, natural sources of energy. Spurred on by the idea of supplying the location with fully renewable power during daytime hours, the team at the Nashik location began installing its first photovoltaic systems in 2015. It now has 50,000 solar panels in place on roofs, parking lots, and the grounds to generate around 20 percent of the power required by the plant each year. The facility has reduced its carbon emissions by some 23,000 tons and saved around 25,000 megawatt hours of energy since 2015. This is equivalent to the power consumed by some 23,500 Indian households. Bosch experts have also developed an eco-friendly solution for cleaning the modules: water is recycled several times and purified using environmentally sound methods. The Bidadi plant, located around 1,100 kilometers south of Nashik, has also embraced solar power. This location is able to cover around 30 percent of its energy needs with a photovoltaic system that also offers a further benefit: it provides ideal conditions for growing vegetables and herbs to keep the plant’s cafeteria well stocked with local produce. The sun is not the only resource put to good use at this location, which also channels rain into a small lake to replenish the water supply for the local population. Renewables as the main source of power for Bosch in Mexico Mexico has revamped its energy policy. An energy reform launched there calls for the country to source 35 percent of the electricity from non-fossil fuels by 2024. With many hours of sunshine annually and high-wind regions, Mexico’s geography and climate would certainly support that goal, providing a solid foundation for change alongside committed support from government and business. Bosch is part of this movement, and has already set a high standard: power sourced exclusively from the Dominica wind farm in the state of San Luis Potosí covers more than 80 percent of the energy requirements of all Bosch locations in Mexico. Bosch Mexico was able to save 56,000 metric tons of CO2 in 2018 by switching to predominantly renewable energies.