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Understanding energy issues

Chevy Volt's 230 mpg?

Solar

Index to solar articles.

Rectangular and polar suncharts for solar energy design.

How does a rectangular sunchart change with latitude?

How does a polar sunchart change with latitude?

Suncharts for various latitudes.

Wind

How many wind turbines?

Average wind speeds for various locations.

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Thomas M Crawford

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Polar sunchart for 4 degrees N latitude

polar sunchart for 4 degrees north latitude

Use for practical solar energy applications and designs. Typical locations are given below.

Countries:

States:

Cities:

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