71

Source: Code of Federal Regulations, Title 40, part 63; Clean Air Act Amendments, amended 1990, Section 112.

aThese numbers represent estimated values for the fifth year. Existing emission points contribute 84% of the total. Emission points associated with chemical manufacturing process equipment built in the first 5 yr of the standard contribute 16% of the total. bThe VOC estimates consist of the sum of the HAP estimates and the nonHAP VOC estimates.

Source: Code of Federal Regulations, Title 40, part 63; Clean Air Act Amendments, amended 1990, Section 112.

aThese numbers represent estimated values for the fifth year. Existing emission points contribute 84% of the total. Emission points associated with chemical manufacturing process equipment built in the first 5 yr of the standard contribute 16% of the total. bThe VOC estimates consist of the sum of the HAP estimates and the nonHAP VOC estimates.

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

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.

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