The Antelope Valley Poppy Reserve visitor center is so energy-efficient that is does not need an air conditioner or a furnace, despite fluctuating temperatures.
The center, designed and built in the early '80s, uses the desert sun for solar energy and mounds of dirt for insulation. The building also uses a passive cooling system to flush cool air throughout its rooms. The center, which was built for $450,000, was designed using a high-tech computer system to estimate the building's temperature changes. The Antelope Valley Poppy Reserve is just one of the California Department of Parks and Recreation's energy-efficient facilities.
Thanks to California 2000 Project
FULL STORY: HIGH DESERT FACILITY IS AN ENERGY MODEL

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Analysis: Cybertruck Fatality Rate Far Exceeds That of Ford Pinto
The Tesla Cybertruck was recalled seven times last year.

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