Not all of them, just the I-580 lanes. One of the reasons is that most users are actually paying, unlike the other two express lanes where a majority of users are clean-air vehicles or carpools, neither of which pay.
December 3, 2017, 5am PST
There's nothing like the convenience of charging one's electric vehicle at home, assuming you have a garage, driveway, or your apartment building has a charger. California cities and utilities are working to increase EV infrastructure on all fronts.
December 1, 2017, 2pm PST
Transit adjacent developments have their downsides when the transit is a diesel-powered commuter train, and the location is a stub-end terminal. Case in point: San Francisco's Mission Bay.
November 29, 2017, 11am PST
While forests sequester atmospheric carbon dioxide, wildfires release enormous amounts of greenhouse gases as they increase in frequency and intensity from climate change.
November 27, 2017, 1pm PST
The legislature placed a $4.1 billion water bond on the ballot in June while a privately funded initiative hopes to qualify an $8.9 billion water bond for the November ballot. The state measure would also fund parks and trails.
November 15, 2017, 1pm PST
On Nov. 1, fuel taxes increased for the first time in 23 years in California. Next November, Californians will likely decide whether to return those taxes to 1994 levels, as well as repeal other tax and fee hikes passed by the legislature in April.
October 31, 2017, 11am PDT
Only one coastal city has a sewer system that must handle stormwater as well as wastewater. San Francisco's efforts to adapt its combined sewer-stormwater system has put it on the vanguard of the city's climate adaptation efforts.
October 27, 2017, 12pm PDT
With speculation that downed power lines and exploding transformers may have caused California's most deadly and destructive wildfires, many question why utility companies don't bury these lines through fire-prone areas.
October 9, 2017, 9am PDT
A new plan in San Francisco aims to reduce the city's chronically homeless population 50 percent by December 2022. Other goals include ending family homelessness and eliminating large, long-term tent encampments.
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?
October 1, 2017, 7am PDT
Eying European and Asian countries that have set, or are considering timelines to ban sales of cars that emit greenhouse gases, the California governor asked his chief air regulator to see why California couldn't follow suit.
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.
September 25, 2017, 10am PDT
As the death toll from Mexico's 7.1 magnitude earthquake on Sept. 19 climbs above 300, the San Francisco Chronicle investigates how well prepared the Bay Area is for an earthquake of comparable magnitude. Not very well.
September 22, 2017, 2pm PDT
Two California cities are going after oil companies with a legal argument that recalls the legislation against big tobacco companies in the 1990s.
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.
September 10, 2017, 9am PDT
In examining the question of whether a new high rise development in San Francisco achieves success at street level, John King picks up an age-old, but always relevant, debate.
September 6, 2017, 11am PDT
Some of the San Francisco neighborhoods with the worst air quality are also the San Francisco neighborhoods with the most development.
August 3, 2017, 12pm PDT
A "one-stop shop" for marijuana businesses will open in time for the statewide legalization of the industry this January.
July 25, 2017, 10am PDT
To secure needed votes to pass a vital cap-and-trade bill, Brown made a deal with California's Republican lawmakers that could cost him his legacy infrastructure project—the high-speed train from Los Angeles to San Francisco.
July 16, 2017, 1pm PDT
Caling the upcoming vote on AB 398, which has created strange political bedfellows, "the most important vote of your life," Gov. Jerry Brown cast the decision as choosing between "massive new regulations" and market-based mechanisms.