GM vows to run on 100 percent renewable energy by 2050

The commitment extends to 350 individual operations spread across 59 countries.

General Motors has joined a collaborative initiative that promises to embrace renewable energy in the coming decades.

The automaker has vowed to utilize 100 percent renewable energy by 2050. The commitment extends to 350 individual operations spread across 59 countries.

The company last year used nine terawatt hours of electricity in its factories, offices, warehouses and technical centers. The figure is comparable to nearly a million households, based on US Energy Information Administration estimates for average US homes.

"Establishing a 100 percent renewable energy goal helps us better serve society by reducing environmental impact," said chief executive Mary Barra. "This pursuit of renewable energy benefits our customers and communities through cleaner air while strengthening our business through lower and more stable energy costs."

Some sites already benefit from renewable energy, drawing from solar arrays at 22 sites and landfill gas at three locations. The initiatives now save $5 million annually, contributing to a collective savings of $80 million over 20 years, though the company has not cited its investment costs for the off-grid power.

GM previously set a goal of using 125 megawatts of renewable power by 2020, a goal that is expected to be reached later this year after two wind projects come online. Its Jinqiao Cadillac assembly plant will pull 10 megawatts from the sun, while 20 megawatts of power will be generated by solar carports at a vehicle distribution center in Wuhan.

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