The best replacement for stirling engine is steam engine.

The best alternatives to stirling engine are rated as following:

★★★★★	steam engine
★★★	solar panel
★★	internal combustion
★★	thermoelectric generator
★	photovoltaics
	carnot engine
	photovoltaic

Your alternative for stirling engine is not listed? Suggest!

Speaking about stirling engine, one probably shouldn't forget about parabolic mirror.

Other search terms related to stirling engine and their ratings are:

★★★★★	parabolic mirror
★★★	fresnel lens

You have in mind a companion for stirling engine and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of stirling engine in all years. Click on graph for more.

stirling engine

steam engine

solar panel