Companies May Lower Tags, Offer More Discounts To Offset Impact The hike in petrol, diesel prices will fuel a slowdown in the auto industry in the short-term, feel car majors like Maruti, Hyundai and Honda. And, it may spell good news for consumers in terms of lower prices and greater discounts from car makers, who will try to offset the negative impact on the industry, which is already hit by higher interest rates and tighter retail financing.