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Denver RTD orders 17 New Flyer electric buses

Green Car Congress

New Flyer of America has received a new contract from Denver’s Regional Transportation District (RTD) for 17 battery-electric, zero-emission Xcelsior CHARGE NG forty-foot heavy-duty transit buses. RTD provides transportation in the Denver metro area, delivering nearly 33 million annual bus rides on 124 routes.

Denver 199
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California Assemblymembers introduce bill phasing out gasoline-fueled small off-road engines

Green Car Congress

California Assemblymembers Marc Berman (D-Menlo Park) and Lorena Gonzalez (D-San Diego) introduced legislation to phase out the sale of new gas-powered small off-road engines (SORE), which are primarily used in lawn and garden equipment, including leaf blowers, lawn mowers, and other outdoor power equipment.

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Lyft commits to 100% EVs by 2030

Green Car Congress

By working with drivers to transition to electric vehicles, we have the potential to avoid tens of millions of metric tons of GHG emissions to the atmosphere and to reduce gasoline consumption by more than a billion gallons over the next decade. Lyft is also joining The Climate Group’s EV100 initiative to help kick-start the work.

Denver 370
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University of Texas at Austin study measuring methane emissions released from natural gas production

Green Car Congress

A research team led by The University of Texas at Austin, and including engineering and environmental testing firms URS and Aerodyne Research, is conducting a major field study to measure methane emissions from natural gas production, about which little empirical data exist.

Austin 210
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Study concludes that NG leakage higher than reflected in inventories; transportation fuel climate benefits questioned

Green Car Congress

A review of 20 years of technical literature on natural gas (NG) emissions in the United States and Canada comprising more than 200 papers has concluded that official inventories consistently underestimate actual CH 4 emissions due to leakage from the natural gas system. Alvarez et al. number of devices).

Climate 247
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How Engineers Can Help Protect Earth From Worsening Climate Change

Cars That Think

The day reminds us of the need to protect our planet and its ecosystems against the worsening climate crisis. The climate crisis is threatening people across the world, as well as every species of animal and plant life. Climate change is a global societal crisis that is causing devastating consequences.

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Study finds methane leaks from three large US natural gas fields in line with EPA estimates

Green Car Congress

We are beginning to get a sense of regional variation in methane emissions from natural gas production. The gas fields we studied for this paper produced about 20% of the natural gas in the United States, and more than half the shale gas, so this moves us closer to understanding methane leaks from US natural gas production.

Gas 150