What are some real life applications of those that were developed in the past 10 years?
Such a question needs to be more narrowly developed.
There are ongoing programs in industry and by government to develop more efficient power conversion systems.
Most electricity is produced by combustion of fossil fuels (gas, oil, coal), with about 20% by nuclear in the US, and a small portion by hydroelectric, wind, solar.
Then there are a variety of internal combustion engines used in transportation.
Separate names with a comma.