Tag Archives: weigh stations

Death of the Diesel – CARB Approves Truck, Bus Smog Checks

These heavy-duty vehicles with a gross vehicle weight rating (GVWR) greater than 14,000 pounds consist of only 3% of all vehicles on California roads. However, they are responsible for more than 50% of nitrogen oxides and fine particle diesel pollution from all mobile sources in the state. Continue reading

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