What are some of the ways that people can Reduce their use of fossil fuels?

By using renewable energy sources.

Explanation:

You need to satisfy a quota of energy for (whatever country you live in). People do this by using the cheapest way of producing the most energy, the most efficient. Sounds great right? Wrong! It stuffs our atmosphere with harmful gasses like carbon dioxide. You can reduce the use of these fossil fuels by using renewable energy sources such as windmills, watermills, and most notable, solar panels!

Solar panels. Generating electricity with solar power instead of fossil fuels can dramatically reduce greenhouse gas emissions, particularly carbon dioxide (CO2). ... By going solar, you can reduce demand for fossil fuels, limit greenhouse gas emissions, and shrink your carbon footprint.

the temperature of the gas, in k, not celsius.

i have no clue hope you find the answer