In that case the answer is - The system was built by Schiemann and his "Geselschaft für gleislose Bahnen Max Schiemann & Co. Known as the "Bielatalbahn", being a 2.8 kilometre long track in Sachsen.
It carried both passengers and cargo (mainly for a paper factory). The track operated only from 1901 to 1904, but the infrastructure was reused to build (part of) a new line close to Leipzig: the "Industriebahn Wurzen", an exclusive cargo line which was in operation from 1905 until 1928.
The cargo system consisted of 2 trolleytrucks, 10 wagons for coal transport (each with a capacity of 6 tons) and 27 wagons for flour transport (each with a capacity of 5 tons). Each truck had a power output of 25 HP and could pull a maximum of 3 wagons with a total weight of 15 tonnes (comparable to this contemporary truck).
Text taken from LOW-TECH MAGAZINE Doubts on progress and technology via the internet.