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LPG AND CNG AS ALTERNATIVE FUELS FOR VEHICLE DRIVE

机译：LPG和CNG作为车辆驱动的替代燃料

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Alteration and growth of fuel costs in the world market are often caused by war and political crisis in the regions abundant with raw oil and natural gas. When we also mention that the recorded stocks of oil according to certain authors are enough for the next 30 to 50 years of economical exploitation, it turns out that this is the right moment for broader introduction of alternative fuels. That task will not be easy given the adventages offered by fuels of fossil origin from the aspect of costs, available infrastructure and energetic value per unit of volume and consequently huge autonomy of mobility. Producers and distributers of petrol (gasoline) and diesel will use all the measures to try to maintain the achieved position on the market, where huge profits are made and a large number of workers employed. Producers of petrol and diesel will initiate large research and development activities to the end of improving the fuel quality, reducing bad ingredients in exhaust emissions such as sulphor, lead and their compounds and facilitating meeting severe environmental standards imposed on vehicle producers. Namely, for over two decades politicians and ecologists have been imposing on automotive industry new and growingly rigid regulations on allowed exhaust emission. While doing so, they do not consider arguments of vehicle producers that automotive industry is not the biggest polluter of environment and the cause of greenhouse effect because of huge quantity of carbon dioxide -^sCO{sub}2 emitted into atmosphere. The fact that the claims of automotive industry are argumented is best proven by an overview of world energy consumption by production resources of energy, as shown in Figure 1. From Figure 1 one can easily see oil based energy consumption amounting to 37% out of total energy consumption. Given that oil is used as driving energy for many industrial branches, one may conclude [1], that around 12% belongs to automotive industry (passenger cars and commercial vehicles).
机译：世界市场燃料成本的改变和增长往往是由原油和天然气丰富的地区的战争和政治危机引起的。当我们还提到根据某些作者的录制石油股票在未来30到50年的经济利用时足够，事实证明这是更广泛引入替代燃料的适当时刻。对于从成本的方面，每单位体积的燃料，可用的基础设施和能量价值而言，这项任务并不容易，并因此巨大的移动性巨大自主性。汽油（汽油）和柴油的生产者和分销商将使用所有措施来维持市场的达到目标，其中巨额利润以及雇用的大量工人。汽油和柴油生产商将在提高燃料质量的结束时启动大型研究和开发活动，减少废气排放中的不良成分，如硫磺，铅及其化合物，并促进促进对车辆生产商施加的严重环境标准。即，在二十多年上，政治家和生态学家一直在施加对允许的废气排放的新且成长的严格规定。在这样做的同时，他们不考虑汽车行业不是最大的环境污染者的车辆生产者的争论和因子效应的原因，因为大量的二氧化碳 - ^ sco {sub} 2排放到大气中。汽车行业的索赔是争论的最重要的是，通过通过能量的生产资源概述世界能源消耗概述，如图1所示。从图1中可以轻松地看到油基能耗，总计37％能源消耗。鉴于石油被用作许多工业分支的驱动能源，可以结束[1]，大约12％属于汽车行业（乘用车和商用车）。

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