US companies Lightship and Pebble have started production of electric caravan trailers fitted with their own drive systems. The Lightship AE.1 measures about 8.2 m and weighs about 3.2 tonnes, with a 77 kWh battery and TrekDrive that powers the wheels and reduces load on the towing vehicle. Prices start at $157,500, output at the Colorado plant runs at about five units a month, and production through summer 2027 is sold out. The Pebble Flow is about 7.6 m long, has a 45 kWh battery and two motors, and costs from $139,500; deliveries began in April 2026 and more than 100 units have been handed over. In 2018 German maker Dethleffs presented a similar concept, the e.home Coco, and in 2021 a Coco crossed the Alps over 386 km without charging en route.