NG VEHICLE INDUSTRY RIPS ARB CREDIBILITY IN BUS RULE RELAXATION

California's natural gas vehicle industry is strongly questioning the air board's credibility in light of a proposal by staff to relax a transit bus rule for diesel engines. But air board officials say if the rule change is not made, many transit agencies may simply wait longer to buy new buses, thereby delaying any emission reductions that may be gained earlier. The bus regulation is one of the board's key diesel risk reduction measures to help achieve attainment of federal...