https://www.economist.com/finance-and-economics/2021/02/22/what-is-the-cheapest-way-to-cut-carbon
An interesting article on The Economist, link above, shows that switching from diesel to electric vehicles delivers carbon cuts but at a very high cost while making buildings more energy-efficient provides one of the highest carbon abatement with low or even negative costs. No surprise then that the European Commission is putting so much "pressure" in building energy renovation https://pacheco-torgal.blogspot.com/2020/10/progress-made-by-eu-countries-towards.html