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EPA Takes Comments on Diesel Rule

Published Tuesday, July 01, 2003

Recent Environmental Protection Agency hearings on the proposed Tier-4 Rule on reducing nonroad diesel engine emissions drew asthmatics gasping for cleaner air and engine manufacturers requesting compromise. The EPA proposal entails stringent nonroad diesel engine controls and sulfur reductions in diesel fuel. The proposal follows a recent rule decreasing emissions from highway trucks and school buses. The goal is to reduce emissions of particulate matter and nitrogen oxides produced by nonroad diesel engines by 90%. Regulations for new engines would begin in 2008 and be fully phased by 2014. The rule would take effect in 2011 for most ...

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