Complex sentence: He heated water to 60 degrees Celsius at a rate of 4 litres a minute which he used for washing and heating, and distilled enough methane to run an electricity generator, cooking elements, and power his truck.
Split into simpler sentences: He heated water to 60 degrees celsius at a rate of 4 litres a minute which he used for washing and heating. He also distilled enough methane to run an electricity generator, cooking elements, and power his truck.