diesel emissions

Guess who CARB’s biggest tipsters are…

According to the L.A. Times, the California Air Resources Board is getting the most help in enforcing its powertrain emissions regs from, well, truckers themselves.

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Diesel produces more smog than gasoline, study says

Diesel engines produce nearly 15 times the amount of one of the main ingredients in smog than gasoline-powered engines, says a recent study by the University of Cal-Berkeley. The study was in part funded by the U.S. Environmental Protection Agency and the California Air Resources Board, and, notably, the study concludes that "diesel exhaust is responsible for 65-90 percent" of a particular geographical region's vehicular-delivered secondary organic aerosol — the smog ingredient. For the full report of ...

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Diesel emissions: Cleaner than fast food charbroilers

Interesting new findings of a California study of commercial charbroilers -- and one driver makes a difference for the better in partnership with Truckers Against Trafficking.

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Diesel particulate pollution down 50%, CARB says

Findings from six CARB researchers show a 50 percent reduction in pollutant compounds in ambient air.

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EPA makes $20M available for updating old diesel engines

$20 million will be available for owners of older diesel-powered vehicles to modernize for cleaner emissions.

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Minnesota offers clean diesel grants to local fleets

Grant covers state-based fleets, with a focus on 2006 and older vehicles.

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Electronically controlled unit injector anticipates the future

The 1985 electronically controlled unit injector was ahead of its time in anticipating the reduction of diesel emissions.

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Oakland port truckers seek emissions rule delay

Drayage trucking companies that serve the Port of Oakland, which use primarily owner-operators, are seeking support to delay a California Air Resources Board mandate that requires trucks to be retrofitted with nitrogen oxide-reduction equipment by 2014. A trade group representing port truck operators estimates that without a postponement in the NOx requirement 4,400 trucks of 1994-2006 model years would have to be replaced with 2007 or newer models by January 2014. Last December, CARB voted against ...

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California reviews emissions rules for trucks

The California Air Resources Board is mulling changes to its regulations aimed at reducing emissions from certain heavy-duty vehicles.

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Kansas offers grant money

Truck owners may be eligible for funds to buy truck equipment for reducing diesel emissions.

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