The amendments aimed at increasing the efficiency of cars will not be accepted in September of 2011, as planned. The United States povremenât with the adoption of the programme to reduce the fuel consumption of motor vehicles operating in the country. According to The Detroit News, citing a source in the Obama administration, the signing of the relevant agreement postponed at least for the beginning of November, and at most-on more indefinitely. The Administration did not have time to prepare all the necessary documentation and establish necessary standards. In addition, problems have arisen and with California, where local authorities have proposed the use of the State's own version of the Bill. Now, the National Highway Traffic Safety Administration (NHTSA), the United States Environmental Protection Agency (EPA), the major automakers and State authorities work out an agreement that would not conflict with the Bill was taken at the State level. However, in the administration of the President of the United States promised that despite the delay, the full set of rules for car manufacturers to publish by July 2012 year. Recall that the planned agreement should oblige manufacturers to reduce the fuel consumption produced models starting from 2017 to 2025, while the year-keep the average consumption of 4.3 l/100 km. Some experts estimated that such measures could lead to a rise in price of new cars by an average of $ 6714.