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Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

Green Car Congress

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. When the SCR system breaks down, the filter gets clogged, requiring more fuel to be injected to burn it off, according to the complaint.

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EPA Grants California Vehicle GHG Regulations Waiver

Green Car Congress

EPA also found that the California program meets legal requirements regarding the protectiveness of public health and welfare as well as technological feasibility. The resulting new national standards will cover model years 2012-2016, and will require an average fuel economy standard of 35.5

EPA 150
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Study: California will hit climate targets >100 years too late at current pace of reductions; transportation, wildfires & landfills

Green Car Congress

Between 2008 and 2017, total VMT increased 5% in California, but declined in Pennsylvania (-6%) and New York (-8%). Vehicle miles travelled (VMT) per capita have been increasing gradually for years in California, but declining in some other populous states. Texas saw the greatest increase over the period (+16%).

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Study finds cities can reduce CO2 more easily from residential conservation than transportation

Green Car Congress

A new study by a team from the University of Pennsylvania and MIT suggests it will be easier for cities to reduce CO 2 emissions coming from residential energy use rather than from local transportation. This reduction will happen mostly thanks to better building practices, not greater housing density.