Cheap, plentiful coal is expected to fuel power plants for the £'
foreseeable future, but can we keep it from devastating the environment? BY DAVID G. HAWKINS, DANIEL A. LASHOF AND ROBERT H. WILLIAMS
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The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.