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JP – Revision of Automotive Emission Controls in 5 years

 

 JP – Revision of Automotive Emission Controls in 5 years

Japan's Environment Ministry plans to review its automobile emission controls in five years in response to an improvement in air quality in major cities covered by the existing measures of the central government. The ministry will consider the possibility of abolishing the emission regulations, as the use of electric and other vehicles that do not emit exhaust gases is likely to expand, contributing to a better air quality, sources familiar with the matter said.

Municipalities in Tokyo and five prefectures--Saitama, Chiba, Kanagawa, Osaka and Hyogo--were initially designated for the emission controls under the law on emissions of nitrogen oxides from automobiles, which came into force in 1992. Aichi and Mie prefectures were added to the list under a law revision in 2001. In the areas covered by the countermeasures, heavy and diesel vehicles that do not meet the state-set emission standards cannot be registered.

Next-generation vehicles (NGVs), including hybrid (HVs), plug-in hybrid (PHVs), electric (EVs), and fuel-cell (FCVs) vehicles, reduce fossil fuel consumption and CO2 emissions from the transportation sector. Currently, Japan leads the world in endorsing NGVs, particularly HVs. Of the 2.5 million new passenger cars sold in 2020, HVs accounted for just over 37%, while PHVs, EVs, and FCVs were each under 1% (0.59%, 0.59%, and 0.03%, respectively), showing the remarkable success of HVs in the Japanese vehicle market.Under the Green Growth Strategy Through Achieving Carbon Neutrality in 2050 formulated by the Ministry of Economy, Trade and Industry in October 2020, the government will take comprehensive measures to make EVs account for all new passenger vehicles sold annually no later than the mid-2030s.

The Japanese automobile industry is accelerating the shift to environmentally friendly NGVs. The major automobile manufacturers have adopted diverse strategies to release vehicles featuring different technologies.

The role of electrification and batteries is an important component in reducing CO2 emissions, especially for light-duty vehicles. For heavier and long-distance vehicles that have proved difficult to electrify directly, hydrogen-powered FCVs are an attractive solution because the energy density of hydrogen per unit volume exceeds that of storage batteries. The domestic goal in the Strategic Roadmap for Hydrogen and Fuel Cells in Japan is to introduce 800,000 FCVs and 900 hydrogen refueling stations by 2030.

 

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