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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Compressed natural gas: A problem or a solution?
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Compressed natural gas: A problem or a solution?

机译：压缩天然气：问题还是解决方案？

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Productivity of the citizens depends on their health. In a polluted environment, health will be the first casualty. The Supreme Court passed an order for converting all public transport vehicles, which were considered to be highly polluting, to compressed natural gas (CNG) mode in an effort to clean the environment of Delhi. This article endeavours to address the issues on clean fuel, specifically focusing on CNG. Confusion and chaos prevailed in Delhi during the first week of April last year. People were stranded all around trying to reach their destinations. With a handful of 'packed' buses, the impending journey gave them nightmares. 1 April 2001 marked the deadline for converting all public transport vehicles to compressed natural gas (CNG) mode, without which they could not ply on Delhi roads. The Supreme Court (SC) had passed this order in July 1998 and had given enough time for the switch-over. However, the various governmental bodies, including the Delhi government failed to ensure implementation of the SC's orders. The air in Delhi in the past decade had become one of the most polluted in the entire world, over 60 percent of this pollution being vehicular. Separate studies done by various agencies prove that this leads to a terrible burden on the health and efficiency of the citizens. Intervening in the matter, the SC wanted the then government to take steps to curb the pollution. The Delhi government in 1996 filed an affidavit stating that CNG had the best potential for controlling pollution in the city and asked for two years time to convert all city buses to the new CNG mode. On 28 July 1998 the SC set 31 March 2001 as the deadline for converting the entire fleet with single-mode CNG kits, to cut air pollution. The SC gave directives that more than 2000 pre-1990 modules of taxis and autorickshaws had to be phased out by 31 March 2000 and an equal number of post-1991 models had to be phased out by 31 March 2001. In March 1999 (8 months after the SC's order), the Delhi government announced the first tender for conversion of its fleet of buses. CNG emission norms came in February 2000 (more than one and half years after the order) and the Ministry of Surface Transport approved the CNG conversion kit design in January 2001. The entire process was at such a slow pace that at the end of the deadline, the government tried to use chaos in public transport as a weapon to pressurize the court.
机译：公民的生产力取决于他们的健康。在污染的环境中，健康将是首当其冲的受害者。最高法院通过了一项命令，将所有被认为污染严重的公共交通工具转换为压缩天然气（CNG）模式，以清洁德里的环境。本文致力于解决有关清洁燃料的问题，特别是CNG。去年四月的第一周，混乱和混乱在德里盛行。人们四处奔波，试图到达目的地。随着少量的“打包”巴士，即将到来的旅程使他们成为噩梦。 2001年4月1日是将所有公共交通工具转换为压缩天然气（CNG）模式的最后期限，否则，它们将无法在德里道路上行驶。最高法院于1998年7月通过了该命令，并留出了足够的时间进行转换。但是，包括德里政府在内的各种政府机构未能确保标准委命令的执行。在过去十年中，德里的空气已成为全世界污染最严重的空气之一，其中60％以上是汽车污染。各个机构进行的单独研究证明，这给公民的健康和效率带来了沉重的负担。在此事上，标准委希望当时的政府采取措施遏制污染。 1996年，德里政府提交宣誓书，声明CNG在控制城市污染方面具有最大潜力，并要求两年时间将所有城市公交车转换为新的CNG模式。 1998年7月28日，标准委员会将2001年3月31日设定为使用单模CNG套件改装整个车队以减少空气污染的截止日期。标准委员会指示，必须在2000年3月31日之前淘汰2000多个1990年之前的出租车和自动人力车模块，并在2001年3月31日之前淘汰相同数量的1991年之后的模型。1999年3月（8个月）在SC的命令之后），德里政府宣布了首批转换其巴士车队的招标。 CNG排放标准于2000年2月发布（订购后超过一年半），地面运输部于2001年1月批准了CNG转换套件设计。整个过程进展缓慢，以至于截止日期结束，政府试图利用公共交通中的混乱状况为法院施加压力。

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