Global Evaporative Emissions Regulations
Country Regulation
  
United States ORVR

≤ 0.20 grams/gallon (0.053 grams/liter)
California PZEV CARB PZEV: 3-Day Diurnal + Hot Soak = 0.35 g/test; Supplemental 2-Day Diurnal + Hot Soak = 0.35 g/test; Supplemental Rig = 0.054 g/test
California

CARB LEV II: 3-Day Diurnal + Hot Soak = 0.50 g/test; Supplemental 2-Day Diurnal + Hot Soak = 0.95 g/test
United States (Federal) Federal Tier II: 3-Day Diurnal + Hot Soak = 0.95 g/test; Supplemental 2-Day Diurnal + Hot Soak = 1.2 g/test
       
Argentina Euro 5: 2 g/test; 24-hour SHED, E5 Fuel (2012)
Australia Euro 4: 2 g/test; 24-hour SHED
Brazil 1.5 g/test; 1-hour SHED (2012)
Chile 2 g/test; 24-hour SHED
China Euro 3-4: 2 g/test; 24-hour SHED
Europe Euro 5: 2 g/test; 24-hour SHED
Hong Kong Euro 4, LEV II, or Japan 2005: 2 g/test; 24-hour SHED
India Bharat Stage III/IV: 2 g/test; 24-hour SHED
Iran Euro 3 (Euro 4 in March 2012): 2.0 g/test; 24-hour SHED
Japan 1 hr Hot Soak + 24 hr diurnal = 2.0 g/test
Mexico Euro 4 or Tier II: 2.0 g/test; 24-hour SHED
South Korea 1 hr Hot Soak + 24 hr diurnal = 2.0 g/test 
Taiwan Euro 4: 2 g/test; 24-hour SHED
  
Columbia US 87 or Euro 1: 2.0 g/test; 2-hour SHED
Costa Rica US 87 or Euro 1: 2.0 g/test; 2-hour SHED
Ecuador US 87 or Euro 1: 2.0 g/test; 2-hour SHED
Malaysia Euro 2 (Euro 4 in March 2012): 2.0 g/test; 2-hour SHED
Singapore Euro 2: 2 g/test; 2-hour SHED