STATES EYE EPA GUIDANCE TO HELP CREDIT DIESEL RETROFITS IN AIR PLANS

EPA is developing guidance and emissions models on the benefits of reducing diesel emissions through voluntary vehicle retrofits, which state officials hope will give them much-needed assistance as they seek credit for reducing emissions through retrofits to meet federal air standards. The agency has announced that it will release next month a guidance document for states on how to obtain credit for emissions reductions from retrofit programs they include in their state implementation plans (SIPs), which are blueprints describing how...