Duke Energy, one of the largest energy holding companies in the U.S., pledged on Wednesday to convert most of its current 10,000-vehicle fleet to electric or another zero-carbon alternative by 2030.

The Charlotte-based utility, which currently has around 600 electric vehicles in its fleet, plans to continue to expand into electric vehicles as more options come onto the market, according to a press release on Wednesday.

As part of the pledge, Duke will convert 4,000 light-duty vehicles to electric and 50% of its 6,000 combined fleet of medium-duty, heavy-duty and off-road vehicles to electric, plug-in hybrids or another zero-carbon alternative.

According to the release, Duke Energy estimates that in 10 years, the fleet conversion will reduce CO2 emissions by 60,000 metric tons per year and reduce petroleum usage by 10 million gallons per year.

“We’ve set a bold vision to achieve net-zero carbon emissions from electric generation by 2050. But beyond how we generate power, we’re looking at other ways to transform our business to reduce emissions,” CEO Lynn Good said in the release.

Good added that electric vehicles “are an important part” of the company carbon emission reduction goals.

“With our new pledge, we’re committed to transitioning our fleet and spurring adoption within our communities,” the executive added.

Shares of Duke Energy (DUK) rose 2.27 percent, or $1.83, to close at $82.56 on Wednesday.