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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 testament to the filtration efficiency of the latest gasoline particulate filters (GPFs), tailpipe mass emissions are now as low as 0.02

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WHO IARC classifies diesel exhaust as carcinogenic to humans (Group 1)

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After a week-long meeting of an expert working group, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), classified diesel engine exhaust (DEE) as carcinogenic to humans (Group 1), based on sufficient evidence that exposure is associated with an increased risk for lung cancer.

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International automotive researchers emphasize the importance of continued development of the internal combustion engine

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Thirty-seven globally prominent scientists representing the International Journal of Engine Research have published an open-access editorial addressing the future of the Internal Combustion Engine, and stressing the importance for continued development of more efficient and even lower-emitting technologies. —Reitz et al.

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LiquidPiston unveils 70cc rotary gasoline engine prototype embodying HEHC; power dense, low-vibration

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Dr. Alexander Shkolnik, President and Co-Founder of LiquidPiston, is presenting the engine in a paper at the SAE International/JSAE 2014 Small Engine Technology?Conference The X Mini 70cc rotary gasoline engine. Water may be injected to internally cool the engine. Conference today in Pisa, Italy. " x 6.2" " x 5.4"

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Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

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GDCI engine was significantly better than advanced production spark injection gasoline engines, and comparable to very efficient hybrid vehicle engines at their best efficiency conditions (214 g/kWh). Throughout the world, many efforts are being made to improve the thermal efficiency of internal combustion engines.

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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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However, he added, the internal goal is “ significantly higher, ” and is targeting the GHG limit. Cost of the new engine relative to gasoline baseline. The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter) Earlier post.).

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Toyota commissions Yamaha to develop hydrogen-fueled 5.0L V8; follow-on from Nov 2021 announcement

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In Japan, Toyota and other automotive-related companies are about to begin a collaborative effort to expand the range of fuel options for internal combustion engines. At the same time, ‘Motor’ is in our company name and we accordingly have a strong passion for and level of commitment to the internal combustion engine. Earlier post.).

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