Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources. ...

We must continue research into new forms of energy and into more efficient use of existing energy sources. (Mac Thornberry)

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Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.

Mac Thornberry Quotes: We must continue research into new forms of energy and into more efficient use of existing energy sources.