How Road Signs Save Electricity
On a recent road trip, high beams were essential. The Four Corners area might seem like a dry desert, but there are plenty of small mountain ranges to support deer in the area and even more species of sheep, goats, and homo sapiens that have adapted to living in the ... [continued] The post How Road Signs Save Electricity appeared first on CleanTechnica.

On a recent road trip, high beams were essential. The Four Corners area might seem like a dry desert, but there are plenty of small mountain ranges to support deer in the area and even more species of sheep, goats, and homo sapiens that have adapted to living in the ... [continued]
The post How Road Signs Save Electricity appeared first on CleanTechnica.