4 days ago
Overall greenhouse gas emissions in California dropped 1% in 2017, according to the inventory by the California Air Resources Board, which includes a 9% drop in emissions from electricity generation and a 1% increase in transportation emissions.
5 days ago
Data generated by travel modes can inform planners and regulators in improving the transportation system, but private mobility companies often restrict their access for concerns about privacy and competition.
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.
May 28, 2018, 9am PDT
A coalition of researchers have identified one area near the 101 and other near I-15 that would help keep the big cats alive and healthy.
February 17, 2018, 11am PST
Policymakers, auto manufacturers, and especially advocates are very engaged in transitioning from fossil fuel-powered vehicles to electric vehicles. The problem is that interest isn't shared by the general public, according to research by UC Davis.
UC Davis Institute of Transportation Studies
October 3, 2017, 6am PDT
Essentially that's what UC Davis, Yale, and MIT researchers found among California families who purchase very fuel efficient vehicles—they also pair them with gas hogs. If your family owns two vehicles, do you meet the profile?
September 26, 2017, 12pm PDT
State Route 37 is a vital highway connecting four North Bay counties plagued by two unrelated problems: chronic flooding during high tides and traffic congestion. Fixing the problem will set a precedent for Bay Area climate adaptation.
December 9, 2015, 10am PST
The COP21 talks in Paris won't take on transportation directly, "the world’s fastest-growing energy-based contributor to greenhouse gases," writes David Jolly for The New York Times. Electric vehicles and fuel efficiency face formidable challenges.
The New York Times - Energy & Environment
December 4, 2015, 11am PST
Writing in The Guardian's Bike Blog, Peter Walker has an important message for the 40,000 delegates from 195 nations gathered in Paris for the COP21 talks: Don't discount the carbon-reducing, planet-saving potential of the bicycle.
November 25, 2015, 11am PST
The answer to the question posed by the New York Times is surprising. Hint: Don't blame the customer if the sales force isn't trying to sell them on vehicles that never need to go to a service station to purchase fuel.
The New York Times - Science
February 5, 2015, 1pm PST
Just as plummeting oil prices have caused state and federal political leaders to consider raising gas taxes, leaders in developing nations, both oil producers and consumers, are considering reductions in national energy subsidies.
September 27, 2013, 1pm PDT
With $11.2 million in federal, state and local funds, the US DOT is launching a National Center for Sustainable Transportation. The center aims to reduce the transport sector's contribution to climate change through research, education, and outreach.
February 12, 2012, 11am PST
Emily Badger recounts the litany of gripes about Big Box stores, then proceeds to present the results of a recent study that shows why they may not be so bad after all.