Tag Archives: “Ultra low sulfur diesel”

EPA Splits the Baby on Backup Generators: Still Allows 100 Hours Use, But Now Requires Ultra Low Sulfur Diesel

Yesterday, EPA finalized revisions to the National Emissions Standards for Hazardous Air Pollutants for stationary reciprocating internal combustion engines, or – one of my new favorite acronyms – RICE.  The biggest dispute over the rule was the extent to which it would allow backup diesel generators to run for demand response purposes.

As we had noted previously, EPA proposed last May to allow backup generators to run for up to 100 hours for demand response purposes without being subject to emissions limits. … More