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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

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In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.

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ClearFlame Engine Technologies hits multiple manufacturing, customer pilot, and fueling milestones

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ClearFlame Engine Technologies, a company developing net-zero engine technology ( earlier post ), has hit a number of key milestones through multiple partnerships with customers, manufacturers, and fuel providers. Reviva has been providing quality remanufactured engines and engine components for more than 70 years.

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Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

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liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. liter engine. Achates Power announced that the 10.6-liter,

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Volvo Trucks’ D13 Turbo Compound engine now standard on all VNL models; 6% better fuel economy over 2020 engine

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The enhanced D13 Turbo Compound (D13TC) engine from Volvo Trucks is now standard on all Volvo VNL models, providing enhanced fuel efficiency and reducing overall cost of ownership. In Europe and other key markets, the D13TC engine has exceeded expectations and has proven to be fuel efficient, reliable and popular with drivers.

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OECD report finds measures needed to curb PM emitted by wear of car parts and road surfaces, including EVs

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Wear and tear from brakes, tires and road surfaces will soon overtake car exhaust fumes as the leading source of fine particles released into the air by road traffic, according to a new OECD report. Heavy electric vehicles with long-distance batteries could compound the problem even as they slash emissions from engine exhaust.

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Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

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2021) over a 150,000-mile vehicle lifetime, but that further work must be done to address achieving the more stringent 1 mg/mi target (LEV III in 2025). GDI is a strategy to improve fuel efficiency that is rapidly gaining market acceptance, as illustrated by the popularity of Ford’s GDI EcoBoost engines. Credit: ACS, Maricq et al.

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New VW Golf now available to order with natural gas drive

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liter four-cylinder engine with 96 kW / 130 PS and three natural gas fuel tanks. The engine of the quasi-monovalent drive system is powered primarily with CNG (Compressed Natural Gas), but can also run on gasoline. kg and permits a driving radius of a good 400 kilometers (249 miles) in the WLTP cycle. WLTP fuel consumption is 4.3–4.1

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