기아차, K5·K7 LPG 일반인 판매 돌입br br Korean carmakers Hyundai and Kia have started selling LPG-powered cars to the public after a change in the regulations.br The models include Hyundai's Sonata and Kia's K5 and K7 sedans, which went onbr sale today... with a range of discounts.br Until late last month, only taxis and rental cars could be powered by LPG.