Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and the Yahoo Answers website is now in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
What makes some fuel sources more fuel efficient than others?
Is a fuel that is more densely packed molecules more fuel efficient than a fuel that is less densely packed molecules?
I’m trying understand why some fuels are fuel efficient than other fuels.
1 Answer
- 3 weeks ago
First you have to understand how energy is made when burning fuel. Burning the fuel causes the molecules to react and combine with the air nearby, and in the process it releases energy due to nuclear binding forces, as well as byproducts formed when molecules in the air combine with the fuel molecules (such as carbon in the fuel + oxygen in the air to form carbon dioxide). The efficiency and energy density of the fuel depends on many factors. I suggest you research about things like nuclear binding energy and specific heat.