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Great Britain and the United States show the same pattern of recent changes in vehicle distance traveled

Green Car Congress

I documented recent changes in distance traveled per person for cars and light trucks in the United States in a study published last month.). above the 1993 value, while in the United States the peak distance (in 2004) was 14.6% decrease from the peak in 2004 to 2013. The years examined were 1993 through 2018.

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Satellite study shows drought-stricken Colorado River Basin states depleting their groundwater

Green Car Congress

A new satellite study finds more than 75% of the water loss in the drought-stricken Colorado River Basin since late 2004 came from underground resources. Water above ground in the basin’s rivers and lakes is managed by the US Bureau of Reclamation, and its losses are documented. —Stephanie Castle, lead author.

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Arizona State University Professor’s Work to Stabilize the Grid Pays Off

Cars That Think

The award was “a welcome surprise,” he says, though “we thought the document turned out very well.” These issues required a reevaluation of how we had defined and classified stability in 2004,” Vittal says.

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CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Green Car Congress

2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPA standard and 99% lower than in 2004 engines.

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California ARB holding two workshops on developing measure to reduce emissions from TRUs

Green Car Congress

ARB adopted the TRU Airborne Toxic Control Measure in 2004, with amendments in 2010 and 2011, to reduce PM emissions from TRU units. ARB says that further progress must be made; concept to be discussed at the workshop will exceed the current TRU Airborne Toxic Control Measure.

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2011 edition of EPA Fuel Economy Trends report shows several advanced powertrain technologies making significant gains

Green Car Congress

While year-to-year changes often receive the most public attention, the report notes, the greatest value of the historical trends database is the identification and documentation of long-term trends. From MY 2004 to MY 2010, CO 2 emissions decreased by 67 g/mi (15%), and fuel economy increased by 3.3 mpg (3%) higher.

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Miles Electric Vehicles start-up files for bankruptcy

Green Cars News

US electric vehicle maker, Miles Electric Vehicles has filed for bankruptcy in Delaware, court documents show. Founded in 2004, by entrepreneur Miles Rubin, the vehicle manufacturer designed a range of low-speed electric passenger cars and vans designed for off-highway use such as around universit[.]. Electric cars'