Proterra has raised $30 million from investors in a round of venture capital funding. The funding, which was led by Kleiner Perkins Caufield & Byers, also included GM Ventures, Mitsui, Vision Ridge Partners and 88 Green Ventures.

The electric commercial transit buses maker plans to use the proceeds to complete validation testing of its buses, to deploy more pilot fleets and to boost volume and cut costs. Proterra has elected industry veteran David Lehmann as its new Chairman.

Click here for the release from Proterra.