Rising diesel fuel prices are pushing costs to near record highs, creating a ripple effect through the trucking industry as dealers struggle with surging inventories of heavy-duty vehicles. Analysts warn that the financial strain could lead to a modest decline in light-vehicle sales during the upcoming quarter, raising concerns about consumer spending and market stability. The combination of expensive fuel and oversupplied dealerships may force trucking companies and buyers to reassess their purchasing strategies. Industry observers are closely watching whether these trends will extend beyond heavy-duty trucks and impact broader automotive demand.


With diesel gasoline nearing $6.51 a gallon on average, swelling heavy-duty truck inventory is rattling dealers. Third-quarter light-vehicle sales are expected to fall slightly, forecasters say.