Here we see what Low Tech Magazine calls a “hybrid system combining electricity with animal and human power” that operated near Hamburg, Germany from 1912 all the way until 1950.

The trollytrucks assisted horses in climbing a steep hill from the port up to the town, but didn’t replace them.

“The trucks were used as an assisting power source. As can be seen on the pictures below, the trolleytruck pushed or pulled one or more horse cars, while other wagons (handcarts included) were also attached to the convoy,” writes Kris Drecker.

Drecker gives some stats, too: “In the first ten months of its existence, the road trains took more than 22,000 wagons up the hill. Total electricity consumption during that period was 30,878 kilowatt-hours.”

Thanks for the link goes to Bernhard Schulte, aka, @dozykraut. Thanks for thinking of me.