Wrightspeed is currently working with Mack Trucks to supply the OEM with electric powertrains for its LM chassis. Wrightspeed Wrightsgeed's powertrain installed in a truck. Electric buses will be coming to Wilmington, DE, Everett, WA, Lexington, KY, Park City, UT, Pierce County, WA, Port Arthur, TX, Shreveport, LA, and Santa Clara, CA. Proterra The...