Table 4-32b: Federal Exhaust Emissions Certification Standards for Newly Manufactured Gasoline- and Diesel-Powered Heavy-Duty Trucks (Grams per brake horsepower-hour)
Table 4-32b: Federal Exhaust Emissions Certification Standards for Newly Manufactured Gasoline- and Diesel-Powered Heavy-Duty Trucks (Grams per brake horsepower-hour)Excel | CSV
Engine type and pollutant 1970-73 1974-78 1979-83 1984 1985-86 1987 1988-89 1990 1991-93 1994-97...