12 Electric vehicles, namely, trucks; Electric trucks; Range extended electric trucks; Electrically-powered motor vehicles; Suspension systems for semi-trailers; axle systems for vehicles comprised of axles with regenerative brakes, batteries and electric motors; regenerative braking systems for vehicles; electronic stability control systems to allow better control and maneuverability of trucks and trailers, sold as an integral component of trailers; Hybrid systems for vehicles, namely, axles with regenerative brakes, batteries and electric motors for trucks and trailers; auxiliary power units for trucks comprised primarily of axles with regenerative brakes, batteries, and electric motors; Motors for use as auxiliary power sources for electric land vehicles; aerodynamic fairings for vehicles; hybrid systems for vehicles, namely, trailers equipped with axles with regenerative brakes, batteries, and electric motors; fuel efficiency technology for vehicles, namely, axles with regenerative brakes, batteries, and electric motors; Fuel efficiency technology for land vehicles, namely, axles with regenerative brakes, batteries, and electric motors; Powertrains and drivetrains for land vehicles; Electric powertrains and drivetrains for land vehicles