United States vehicle emission standards are set through a combination of legislative mandates enacted by Congress through Clean Air Act (CAA) amendments...

The European emission standards are vehicle emission standards for pollution from the use of new land surface vehicles sold in the European Union and...

quality standards and to protect human life. Different regions and countries have different standards for vehicle emissions. Many emissions standards focus...

A partial zero-emission vehicle, in the United States, is an automobile that has zero evaporative emissions from its fuel system, has a 15-year (or at...

gasoline-powered vehicle. The SULEV standard is stricter than the standard for LEV (low emission vehicle) and ULEV (ultra-low-emission vehicle), however not...

Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. The primary emissions...

electric vehicles and hydrogen vehicles (fuel cell vehicles). Low-emission vehicle United States emission standards Cerfication of low emission vehicles (Japanese)...

In the United States, vehicle safety inspection and emissions inspection are governed by each state individually. Fifteen states have a periodic (annual...

low emission vehicles Partial zero-emissions vehicle Super-ultra-low emission vehicle Ultra-low-emission vehicle United States emission standards Zero-emissions...

activate their emissions controls only during laboratory emissions testing, which caused the vehicles' NOx output to meet US standards during regulatory...