June 14, 2019, 12pm PDT
President Trump made good on his promise last October to lift the E15 ban in time for the summer driving season. Not mentioned by the Des Moines Register are the downsides to allowing the higher ethanol blend to be sold during the summer, e.g., smog.
May 30, 2019, 11am PDT
No issue is more important to California's air and climate regulators than ensuring that the state retains its ability to set tailpipe emission standards. Mary Nichols, the head of the Air Resources Board, has threatened to ban tailpipes.
May 20, 2019, 1pm PDT
California has embraced electric vehicles like no other state, with success reflected in increased sales and registration data, yet transportation emissions have increased for the last four years, primarily from light-duty vehicles.
March 31, 2019, 1pm PDT
In a powerful opinion in The New York Times, state Senator Scott Wiener and UC Berkeley energy professor Daniel Kammen make the case that transportation emissions are rising in the Golden States because of the shortage of housing in coastal cities.
March 21, 2019, 12pm PDT
The bill is directed at the medium and heavy-duty trucking industry, which, along with buses, account for 90 percent of the state's toxic diesel exhaust. Diesel emissions would need to be reduced by 80 percent by 2050. Will electric trucks be ready?
February 25, 2019, 11am PST
Ending the talks means litigation will have to settle the conflict over the two standards: California and 12 other states continue to use the Obama-era standard of 36 mpg by 2025, while the administration's rule freezes standards at 2020, or 29 mpg.
January 28, 2019, 1pm PST
California's Low Carbon Fuel Standard, which requires fuel producers to reduce the carbon intensity of transportation fuels by at least 10 percent by 2020, has been opposed by corn ethanol producers and the oil industry since its inception in 2011.
December 18, 2018, 10am PST
Converting all the public transit buses in California would save reduce carbon emissions in the state by 1 million metric tons by 2040.
December 17, 2018, 7am PST
Conventional thinking is that the auto industry, wanting to sell more fuel-gulping SUVs, are pushing for weaker fuel economy standards, but Hiroko Tabuchi, climate reporter for The New York Times, exposes Big Oil's stealth campaign.
December 10, 2018, 11am PST
Assemblymembers Phil Ting and Ash Kalra have reintroduced the Clean Cars 2040 Act with the goal of banning the sale of passenger vehicles powered by internal combustion engines by 2040, with the California Air Resources Board playing a lead role.
November 29, 2018, 11am PST
According to a new report by the California Air Resources Board, even if electric vehicle sales were to increase tenfold, it would not reduce emissions from transportation enough to meet a 2030 climate goal. A major reduction in driving is needed.
October 29, 2018, 2pm PDT
As California tries to stem its increasing greenhouse gas emissions from the transportation sector, its capital, Sacramento, may prove to be a model for other cities as it embraces electric vehicles and strategies to reduce driving.
October 8, 2018, 5am PDT
California regulators have found that transportation emissions are the most difficult to reduce, unlike those from electricity generation. The state just took a major step by approving significant changes to its Low Carbon Fuel Standard program.
October 4, 2018, 12pm PDT
Volvo gained attention last year by announcing it would stop making new internal combustion engine models. Now it plans to electrify its 2020 truck models as well. A demonstration program will be launched in Southern California next year.
September 21, 2018, 2pm PDT
The good news: the Clean Air Vehicle program for electric vehicles will be extended for at least three years. The bad news: not all EVs that have a decal now will be able to be renewed. Congestion on HOV and HOT lanes is a major concern.
August 23, 2018, 10am PDT
An exemption to an existing law was removed Monday when Gov. Jerry Brown signed a bill that affords tenants in rent-controlled buildings the same right to request electric vehicle charging capability as renters in unregulated apartments.
Office of Governor Edmund G. Brown Jr. (California)
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.
August 7, 2018, 2pm PDT
State attorneys general and green groups are gearing up to fight the emissions rule rollback. Mayors would have a greater climate impact by helping their constituents drive less, argues Alissa Walker.
July 20, 2018, 12pm PDT
New York Times climate reporter, Brad Plumer, comments on California's landmark accomplishment in reducing emissions, observing that with the low-hanging electricity generation fruit picked, reducing transportation emissions will prove formidable.
July 13, 2018, 9am PDT
It is possible to achieve state-mandated global warming reduction goals after all. The nation's first such goal, signed into law by Republican governor Arnold Schwarzenegger in 2006, called for reducing emissions to 1990 levels by 2020.