Traditionally, tractors and other equipment used on farms and construction sites rely on loud, dirty diesel engines. But, that’s starting to change. A variety of manufacturers are unveiling battery-powered machinery that is energy efficient and powerful, yet quiet and environmentally friendly.

Changing attitudes toward vehicle emission standards are guiding the evolution to electric drivetrains, as small farms focus on sustainability and large municipalities begin to require the use of zero-emission electric vehicles in state-run infrastructure projects.