A potential EPA ban on many road-to-racecar conversions has touched off a battle with the aftermarket industry, whose trade group says the move would reverse decades of agency policy and deal a blow to auto racing and the parts market.
A potential EPA ban on many road-to-racecar conversions has touched off a battle with the aftermarket industry, whose trade group says the move would reverse decades of agency policy and deal a blow to auto racing and the parts market.