Currently Euro2, according to ECE R83
California I think the question was what country has the toughest emission standards.
United states
Foreign car manufacturers will have to meet those emission standards on cars they export to the U.S.
hong kong USAJAPANunderdeveloped countries
No not as long as they meet the smog emission standards and the safety standards set by the state.
Depends on what sort of vehicle your driving, but most of them are to EU regulations. You can check them out at this website; http://www.dieselnet.com/standards/au/ and because you wont know what the EU standards are, you can check them out here; http://www.dieselnet.com/standards/eu/ld.php But can't seem to find any recent emission standards on motorcycles. Hope that helps you out anyways. ;)
Tighten emission control standards for factories and automobiles.
Yes, but it must meet US safety and emission standards.
No, they just need to keep passing emission standards to be sold.
The skyline doesn't reach US emission standards.
Non-CARB means that is non compliant with California standards for their emission requirements.
Under the Federal Clean Air Act : California, has the most stringent emissions standard.