EPA, CARB REACH RECIPROCAL DEAL ON EMISSIONS VERIFICATION TESTING

EPA and the California Air Resources Board (CARB) have signed a memorandum of understanding (MOU) that allows each agency to recognize the other's verification of emissions reductions from diesel retrofits and could significantly expand cleanup of existing diesel engines across the country, sources from EPA and CARB say. An EPA source says the June 1 agreement is significant because it gives "much-needed flexibility" to the retrofit industry. At the same time, the MOU provides states assurances that if they follow...