Smog Inspections – California DMV

How can we help reduce PM 2.5 pollution in Thailand?

“Your vehicle does not need a smog inspection if your:

• Gasoline-powered vehicle is a 1975 year model or older (This includes motorcycles and trailers.)
• Diesel-powered vehicle is a 1997 and older year model OR with a Gross Vehicle Weight of more than 14,000 pounds.
• Powered by natural gas and weighs more than 14,000 pounds. 
• An electric vehicle.
• Gasoline-powered and less than eight model-years old. ”