fuel and emission control system changes include:• Limits on diesel sulfur
• Limits on diesel sulfur
Regulations limiting the amount of sulfur in diesel fuel took effect in 1993.
Today’s lower-sulfur diesel fuels are important in reducing emissions of
particulate matter and other air toxics from diesel-fueled buses and trucks.
Regulations limiting the amount of sulfur in diesel fuel took effect in 1993.
Today’s lower-sulfur diesel fuels are important in reducing emissions of
particulate matter and other air toxics from diesel-fueled buses and trucks.
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