Interest
Proportion of Hacker News items mentioning "fuels" over time.
Mentions
Total number of Hacker News items mentioning "fuels" over time.
Fuel are any materials that can react with other substances to release energy as thermal energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy but has since also been applied to other sources of heat energy, such as nuclear energy. Read more on Wikipedia