sentences:  Trolleytrucks have been used in various places around the world and are still in use in cities in Russia and Ukraine, as well as at mines in North America and Africa.Because they draw power from the mains, trolleytrucks can use renewable energy sources – modern trolleytrucks systems are under test in Sweden and Germany along highways using diesel–electric hybrids to reduce emissions.Trolleytrucks were used in St. Lambrecht, Austria by the Nobel Industries dynamite factory from 16 November 1945 to 21 April 1951.