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    ...First came a 2012 sutdy suggesting that people over age 60 who ride the buses for no cost have commendable mental health...Now the same team of scientists are claiming that teenagers get a similar psychological boost from free bus rides. 

    Atlantic Cities
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    The idea that public transportation relieves road congestion is both logical and popular, but the evidence for it is decidedly mixed....That debate just got a lot more interesting with some new work (via Paul Krugman) by Berkeley scholar Michael Anderson, who argues that "the net benefits of transit systems appear to be much larger than previously believed." By analyzing the impact of a Los Angeles transit strike in 2003, Anderson found that congestion did decrease considerably — but only on roads that paralleled heavy transit corridors. 

    Atlantic Cities
  • The Environmental Protection Agency will propose a rule on Friday that will cut the amount of sulfur allowed in gasoline by two-thirds to improve the performance of the catalytic converters in engines that fight smog, the agency has told refiners and clean-air advocates....The rule will essentially move the country to the sulfur standards now in place in California.

    New York Times
  • Data from four air quality monitoring stations at and near the Port of Los Angeles show concentrations of a key type of pollutant have fallen to their lowest levels since the port began tracking them in 2005. The data measures elemental carbon, an indicator of diesel particulate matter, which is produced by the combustion of diesel fuels. 

    Daily Breeze
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    Air pollution from traffic has been linked to birth defects in a large new Stanford study of women who lived in California’s smoggy San Joaquin valley during the early weeks of their pregnancies. “We found an association between specific traffic-related air pollutants and neural tube defects, which are malformations of the brain and spine,” said the study’s lead author, Amy Padula, PhD, a postdoctoral scholar in pediatrics. The research appears online today in theAmerican Journal of Epidemiology.

    Scope/Stanford Medicine
  • Drivers who want to use some of California's most crowded carpool lanes may have to track down another passenger to ride with them...California is under pressure from the federal government to improve carpool commuting times on its most heavily trafficked highways.

    Sacramento Bee
  • President Obama came to the congested ocean port here on Friday to promote his plans to rebuild the nation’s “raggedy” roads, bridges, schools and other infrastructure with a marriage of public and private investment...Ken Orski, the editor of Innovation NewsBriefs, a transportation newsletter, said the president’s emphasis on private investment was important. “We need more of that kind of involvement, rather than exclusive emphasis on public financing,” he said.

    New York Times
  • Shares of electric car maker Tesla Motors Inc. jumped more than 19 percent Monday after the company said sales are running ahead of schedule and it will post a first-quarter net profit. The Palo Alto, Calif., company said Sunday night that first-quarter sales have exceeded 4,750 Model S sedans, above prior guidance of 4,500.

    SF Chronicle
  • ...Beginning Monday, more than 200 police agencies throughout the state will take part in a monthlong crackdown on distracted driving.

    Mercury News
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    Even among  big-ticket Bay Area transportation schemes, AC Transit’s planned “express bus” line from San Leandro to downtown Oakland is a thing of beauty. Considering the cost — $178 million — it ought to be. Originally conceived as an 18-mile commuter line, with buses running every five minutes from San Leandro’s Bay Fair BART station to UC Berkeley — and with a daily ridership estimated at 25,000 — the proposed line has shrunk to 9.5 miles, with a drastically lower ridership.

    SF Chronicle