See also:

The Federal Clean Air Act – U.S.
The Federal Clean Air Act requires vehicle manufacturers to furnish written instructions to the ultimate purchaser to assure the proper servicing and function of the components that control emissi ...

Quality and equipment
'A small Volvo is built to the same high standard as a big Volvo,' says Hakan Abrahamsson, C30 project director. 'The quality levels are the same. We have Volvo standards and we don't differentiate ...

Three-way catalytic converter
• Keep your engine properly tuned. Certain engine malfunctions, particularly involving the electrical, fuel or distributor ignition systems, may cause unusually high threeway catalytic convert ...