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DLR: cleaner aircraft emissions reduce the climate impact of contrail cirrus

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Impact of a reduction in initial ice crystal number, as may be caused by reduced soot emissions, on global contrail cirrus properties. In our theoretical estimates, we found that a significant reduction in soot emissions is required to reduce the climate impact of contrails effectively. —Ulrike Burkhardt. —Burkhardt et al.

Climate 278
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CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

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California’s Low Carbon Fuel Standard (LCFS), which requires fuel producers to reduce the carbon intensity of fuel sold in the state, is largely responsible for the shift by encouraging the use and production of cleaner alternatives. Since compliance began, the program has helped to replace more than 8.6

Clean 367
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UK market sees first decline in alternatively fueled vehicle sales in 27 months in June

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as ongoing confusion over low emission zones and diesel, the removal of key ultra low emission vehicle incentives and an overall decline in buyer confidence affected the market. To highlight these advances, SMMT’s monthly registrations data now includes a breakdown of the different technologies now being registered.

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Continental Aerospace Technologies finalizing HVO testing for use in CD-100 engine series

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Continental, a subsidiary of Continental Aerospace Technologies Holding Limited, is finalizing testing of Hydrotreated Vegetable Oil (HVO) as a sustainable fuel option in its CD-100 series of engines. Hydrotreated vegetable oil is one of many sustainable alternative fuels.

Engine 195
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CARB approves 2022 Scoping Plan; aggressive targets for reductions in petroleum use, air pollution and greeenhouse gas emissions

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The California Air Resources Board last week approved the final proposed 2022 Scoping Plan ( earlier post ), a roadmap to reduce demand for petroleum by 94%, cut air pollution by 71%, reduce greenhouse gas emissions 85%, and reach carbon neutrality by 2045. Fuels: the energy source used to power vehicles and the facilities that produce them.

Pollution 304
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DOE announces $96M in funding for advancing clean vehicle technologies

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The US Department of Energy (DOE) announced a $96-million funding opportunity (Fiscal Year 2022 Vehicle Technologies Office Program Wide Funding Opportunity Announcement) to support decarbonizing the domestic transportation sector. Creating Cleaner Non-Road Engines.

Clean 186
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Westport awarded additional production supply agreement for Euro 7 LPG fuel systems by global OEM

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We are pleased to become the exclusive supplier of LPG systems to this leading OEM customer and look forward to continuing our commitment to deliver our LPG systems for their LPG-fueled vehicle platforms. LPG-fueled vehicles are permitted to drive in emissions-restricted traffic zones in Europe. —David M.

Supplies 150