October 24, 2018, 1pm PDT
It's well known that an electric vehicle is only as clean, from a greenhouse gas perspective, as the electricity it consumes to power it. A new study finds that the electricity used in the manufacturing of car batteries also must be considered.
August 13, 2018, 9am PDT
Two market-based programs add about a quarter to every gallon of fuel purchased in the Golden State, but don't expect to see the prices listed anywhere. Furthermore, costs to comply with the Low Carbon Fuel Standard are expected to increase.
September 16, 2017, 11am PDT
For almost two years, MUNI's diesel-powered buses in San Francisco have run entirely on renewable diesel fuel. Diesel-powered Amtrak trains running from San Jose to Sacramento could be next.
November 18, 2015, 9am PST
A new Union of Concerned Scientists report shows that due to considerable gains made in cleaning the electric grid and in producing electric vehicles more efficiently, EVs are the environmentally sensible choice.
Union Of Concerned Scientists
July 1, 2015, 8am PDT
The answer depends on location, according to previous studies on EVs. The study from NBER evaluated both gas and electric-powered vehicles to determine their effect on the environment. A surprising recommendation is a new road funding option.
December 13, 2010, 11am PST
A new study estimates there are at least 500 million off-street parking spaces in the U.S. This represents 0.5% to 12% of estimated lifecycle energy consumption and greenhouse emissions, and 24% to 81% other air pollutants.