近年来，新型能源（包括再生能源）的开发在全国各地方兴未艾，许多新型燃料应运而生。在沿海的广东，新能源开发不像一些省市那样热火朝天，但外地进来的低廉燃料却不愁没有市场。比如，一些酒楼就使用一种称为“碳五石油气”的新燃料，常温下为无色液体，不污染空气，价格比 In recent years, the development of new types of energy (including renewable energy) has been booming throughout the country and many new types of fuels have emerged. In coastal Guangdong, the development of new energy is not as energetic in some provinces and cities, but there is no market for low-cost fuels imported from abroad. For example, some restaurants use a new type of fuel called “C5-LPG” which is a colorless liquid at room temperature and does not pollute the air. The price ratio