How to use in-sentence of “energy sources”:
– Renewable energy sources like biomass energy such as firewood are being used.
– Likewise, unless clean energy supplies come online rapidly, slowing demand growth will only begin to reduce total emissions; reducing the carbon content of energy sources is also needed.
– The use of renewable resources and energy sources is increasing worldwide, with certain nations, such as Bhutan, and US states, such as California, beginning to rely entirely on renewable energy.
– The most common energy sources for heating water are fossil fuels: natural gas, liquefied petroleum gas, fuel oiloil or sometimes solid fuels coal or firewood.
– The energy sources of white dwarfs.” Monthly Notices of the Royal Astronomical Society” 112: 583.
– This article lists the most distant things known to us, all of which are galaxies or energy sources inside galaxies.
