This whole ICE thing is something even most of the German car manufacturers do not want. It was also not part of the coalition contract made by the government.

The smallest party (FDP) in the coalition went on a solo power trip against their partners. The partners relented because they need the FDP to fall in line with more important stuff.

Also worth noting that the FDP is currently getting voted out of more and more state parliaments because people are not happy with their work.