Gas lighting explains why a large number of older gas lamps have been converted to electricity. Solar-rechargeable battery-powered gas light controllers can be easily retrofitted into existing gas lamps to keep the lights off during daylight hours and cut energy consumption and green-house gas carbon emissions by 50%. The use of natural gas (methane) for "indoor" lighting is nearly extinct. Besides producing a lot of heat, the combustion of methane tends to release significant amounts of carbon monoxide, a colorless and odorless gas which is more readily absorbed by the blood than oxygen, and can be deadly. Historically, the use of lamps
Husqvarna Group range expanded to heating boilers and lawn mowers. The first test with a lawn mower powered by an engine was done in 1947. 1959 – Chainsaws As demand for bicycles, mopeds and motorcycles declined, forestry became increasingly important. The expertise in engines was utilized in new areas and the first chainsaw was produced in 1959. 1968 – Power cutters A saw rebuilt to a power cutter in 1968 was the starting point of what today is the business area Husqvarna Construction. 1978 – Electrolux acquired Husqvarna. 1986 – The motorcycle division was sold to Cagiva. 1995 – Robotic lawn mowers