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EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

Green Car Congress

The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. In this instance, CARB requested two waivers for regulations relating to heavy duty vehicles and engines.

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

Green Car Congress

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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CARB to consider low NOx heavy-duty omnibus regulation on 27 August

Green Car Congress

These vehicles are also significant sources of oxides of nitrogen (NO x ) and particulate matter (PM), contributing nearly 31% of all statewide NOx emissions as well as 26% of total statewide diesel PM emissions. The NO x standards would be cut to about 75% below current standards beginning in 2024 and 90% below current standards in 2027.

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Study finds diesel oxidation catalyst eliminates mutagenicity of diesel exhaust in gas phase

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A team of researchers in Germany has found that the mutagenicity of diesel engine exhaust (DEE) is eliminated in the gas phase by a Diesel Oxidation Catalyst (DOC), but only slightly reduced in the particle phase. Total particle mass (TPM) was reduced by 50% with the DOC in common diesel fuel and by 30% in the other fuels.

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US study of miners links heavy exposure to diesel exhaust to increased risk of lung cancer death; researchers suggest implications for urban areas with high exhaust concentrations

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In a study of non-metal miners in the US, federal government scientists report that heavy exposure to diesel exhaust increased risk of death from lung cancer. For never-smokers, risk of lung cancer death increased with increasing diesel exhaust exposure. effect of diesel exhaust exposure on lung cancer mortality in.

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Ford’s redesigned Transit Connect Wagon gets 1.5L EcoBlue diesel option in US

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liter four-cylinder gasoline engine with direct injection with Auto Start-Stop as standard equipment, or the new 1.5-liter liter EcoBlue diesel, both paired with a new 8-speed automatic. EcoBlue diesel to deliver an EPA-estimated fuel economy rating of at least 30 mpg (7.8 Ford is targeting the 1.5L

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Second-generation Audi A7 Sportback features standard 48V MHEV system with gasoline or diesel engines

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The drive system features a new mild-hybrid system (MHEV) as standard. TDI (diesel) engine. The new three-liter V6 exhaust end lies inside the 90° vee; the short gas paths and the twin scroll charger, which prevents unwanted interactions between the gas columns, guarantee spontaneous throttle response. TFSI (gasoline) or a 3.0

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