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California ARB approves ACC II rule; 100% of LDVs to be PHEVS, ZEV by 2035; LEV IV emissions requirements

Green Car Congress

The California Air Resources Board approved the Advanced Clean Cars II (ACC II) rule. The rule establishes a year-by-year roadmap so that by 2035 100% of new cars and light trucks sold in California will be zero-emission vehicles (ZEVs) and plug-in hybrid electric vehicles (PHEVs). grams per mile down to 0.01 grams per mile.

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Propel Fuels expands retail sales of drop-in renewable diesel across Southern California; $2.59/gallon

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Diesel HPR is designated as ASTM D-975, the standard for all ultra-low sulfur diesel fuel in the US, and is recognized as “CARB diesel” by the California Air Resources Board even though it contains no petroleum. A quick check of the app showed Diesel HPR was selling for $2.59/gallon per gallon.

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Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

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Under Sustainable Zoom-Zoom 2030, Mazda aims to reduce corporate average well-to-wheel carbon dioxide emissions to 50% of 2010 levels by 2030, and achieve a 90% reduction by 2050. It intends to achieve this with a policy prioritizing efficiency improvements and measures for cleaner emissions that apply in the real world.

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KCL study finds London air pollution from traffic improving, but continues to exceed limits in many parts of city

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This contrasted with the trends for the preceding five year period (2005–2009) when a wider upward tendency was observed in ΔNO 2 concentrations; this can be attributed in part to a 3% rise in the number of diesel buses and coaches between 2005 and 2009 and to the failure of tighter Euro class emissions standards. Anna Font, Gary W.

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NREL updates experimental cetane number data; more than 250 new individual measurements

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A minimum cetane number is specified in the ASTM standard that defines the quality of diesel fuel sold in the United States. Resources. The cetane number is typically measured either in a single-cylinder engine or a constant-volume combustion chamber. The original report has been cited more than 130 times. Yanowitz, M.A. Ratcliff, R.L.