Domestic coal can’t compete with batteries, solar and gas much longer.

The spotlight at the Munich auto show this year is swinging back to BMW, Mercedes and Volkswagen after previously focusing on Chinese automakers.

The oil giant said Tuesday that it was acquiring assets from a Chicago company as it looks to start producing graphite, a key battery ingredient, by the end of the decade.

Its vast investment in solar, wind and batteries is on track to end an era of global growth in the use of coal, oil and gas, the researchers said.

Electric models from the luxury car brand have been very successful, but they may struggle once a $7,500 federal tax credit ends next month.