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Posts Tagged ‘semiquinone’

State Smog Checks What They Don’t Test for Can Kill You

State Smog Checks What They Don’t Test for Can Kill You

City car exhaust can be worse than smoking two packs of cigarettes per day? Vehicle inspection was implemented in the USA at a State level via the Clean Air Act (1990). According to that Federal Law states are required to implement vehicle emissions inspection programs, known as I/M programs (for Inspection and Maintenance), in metropolitan [Continue]