Abstract
The large sales volume and a great number of passenger car ownership in China have brought a series of environmental and energy problems. In response to these problems, Corporate Average Fuel Consumption and New Energy Vehicle Dual-credit Regulation has been put forward in China. However, it is found that although the purpose of the Dual-credit Regulation is controlling the fuel consumption and promoting the development of the energy vehicle market, the fuel consumption restriction for fossil-fueled passenger cars is relaxed compared to CAFC (Corporate Average Fuel Consumption) regulation alone. Moreover, this effect of relaxation is more obvious when the market share of new energy vehicles increases. To quantitatively estimate the relaxation effect of the fuel consumption restriction, a method of quantifying the relaxation effect is designed, and three different scenarios of new energy vehicle market development have been presumed in this paper. It is found that there are three main factors related to new energy vehicles that cause the relaxation of fuel consumption restriction, and the effect might become obvious and severe after 2025 if the market share of new energy vehicles develops very rapidly. These results may affect the development of the automotive industry and needed to be concerned.
Highlights
Since the implementation of the first stage of the fuel consumption regulation in China, the average fuel consumption of passenger cars has been 7.97 L/100 km based on the fuel consumption data released by the government [17], and the average fuel consumption of passenger cars in China has improved by 14.7% in the past eight years, according to a report published by the Innovation Center for Energy and Transportation in 2017 [18]
This paper mainly studies the impact of NEVs on the fuel consumption control effect under the Dual-credit Regulation
In the Dual-credit Regulation, the restriction of the fuel consumption has been relaxed mainly because of these three factors: (i) Special calculation method for NEVs in the CAFC regulation, and there are two factors that related to the relaxation; (ii) NEVs are accounted for higher multiples when calculating the average fuel consumption in the CAFC regulation so that the CAFC value of an enterprise would be lower than the actual value and make complying with the Dual-credit Regulation easier; (iii) The fuel consumption is regarded as zero in the CAFC regulation
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Res. Public Health 2021, 18, 7218 new energy vehicles are a way to reduce fuel consumption. The regulation promoting new energy vehicles will have far-reaching effects on reducing oil consumption and greenhouse gas emissions in the future [10]. In September 2017, the Ministry of Industry and Information Technology and other departments officially relaxed the “Parallel Management of Passenger car Corporate Average Fuel Consumption and New. Energy Vehicle Credit,” which is parallel management of credit for CAFC The calculation method of CAFC credit and the mechanism of unidirectional compensation that NEV credit can compensate for the lack of CAFC credit leads to a negative impact on the fuel consumption controlling effect This phenomenon may have a certain negative impact on the development of fuel-saving technologies. The results will be meaningful when designing the stage of the CAFC regulation
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