Forum Discussion
Timmo_
Sep 28, 2021Explorer II
VINDICATED!
For many of us, the best GREEN option is to continue driving our fuel efficient ICE vehicle instead of purchasing a brand new BEV.
Summary: The debate on green vehicles often focuses on fuel efficiency and alternative fuels, with the transition to fuel alternatives commonly being considered better for the environment the faster it is. A new study shows that keeping and using existing fuel-efficient cars a little longer can actually reduce CO? emissions even with gasoline cars. Thus, a gradual transition and policies that encourage a change in consumption patterns are also key for reducing overall emissions.
...The faster you replace a car, the more CO2 it emits. It's no different with electric cars, because when the demand for new cars increases, it shoots up manufacturing emissions," says Shigemi Kagawa, professor of Kyushu University's Faculty of Economics and leader of the study.
...Using economic statistics, Kagawa's group conducted a case study of newly registered and used cars in Japan between 1990 and 2016. The group modeled how replacement behavior of car owners affects their carbon footprint.
...Their modeling shows that, if cars had been kept on the road ten percent longer before being scrapped, the cumulative carbon footprint from cars would have decreased by 30.7 million tonnes, or one percent, during this period.
...This is because the decrease in manufacturing emissions more than offsets additional emissions produced by existing cars.
https://www.sciencedaily.com/releases/2021/09/210924104313.htm
For many of us, the best GREEN option is to continue driving our fuel efficient ICE vehicle instead of purchasing a brand new BEV.
Summary: The debate on green vehicles often focuses on fuel efficiency and alternative fuels, with the transition to fuel alternatives commonly being considered better for the environment the faster it is. A new study shows that keeping and using existing fuel-efficient cars a little longer can actually reduce CO? emissions even with gasoline cars. Thus, a gradual transition and policies that encourage a change in consumption patterns are also key for reducing overall emissions.
...The faster you replace a car, the more CO2 it emits. It's no different with electric cars, because when the demand for new cars increases, it shoots up manufacturing emissions," says Shigemi Kagawa, professor of Kyushu University's Faculty of Economics and leader of the study.
...Using economic statistics, Kagawa's group conducted a case study of newly registered and used cars in Japan between 1990 and 2016. The group modeled how replacement behavior of car owners affects their carbon footprint.
...Their modeling shows that, if cars had been kept on the road ten percent longer before being scrapped, the cumulative carbon footprint from cars would have decreased by 30.7 million tonnes, or one percent, during this period.
...This is because the decrease in manufacturing emissions more than offsets additional emissions produced by existing cars.
https://www.sciencedaily.com/releases/2021/09/210924104313.htm
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