13 States +1 Adopt Higher Emissions Standards. Red. Blue. & Purple States.

States imposing the current federal emissions standards, that match the California emissions standards:

• California
• Connecticut
• Delaware
• Maine 
• Maryland
• Massachusetts
• New Jersey
• New York
• Oregon
• Pennsylvania
• Rhode Island
• Vermont
• Washington
• + Colorado

Fox 31 Denver | via AP | Colorado to adopt California’s stricter car pollution rules