近几年,随着石油市场的逐步放开,在公路沿线迅速建起了众多的加油站,这对活跃石油市场、缓解买油难,起到了一定的作用,但问题也随之而来。一是油的品质得不到保证。部分加油站以较低的价格采购小炼油厂炼制的达不到国家标准的劣 In recent years, with the gradual liberalization of the oil market, numerous gas stations have been rapidly built up along the highway. This has played a certain role in boosting the oil market and alleviating the difficulty of buying oil, but the problems have followed. First, the quality of oil can not be guaranteed. Some gas stations at a lower price of procurement of small refineries less than the national standard of refining inferior