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Name: Gerald J Ballman
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Who sets the emission standards for automobiles using diesel engines?
Have they been changed recently and what are the nitrous oxide levels?

There are probably state and federal regulations for vehicle emissions standards. The Environmental Protection Agency sets federal standards. You could try contacting them or your state department of environmental protection for specific standards. These references might also be useful:

NO2 Levels in Diesel Exhaust, by W.F. Marshall, 1978, for sale by the National Technical Information Service.

Diesel Cars: Benefits, Risks and Public Policy. by the National Research Council, 1982.


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