90% Of Israeli Homes Have Solar Water Heaters

Solar Hot Water Heaters In Israel

  I recently noted that Hawaii has enacted a law that requires all new homes to install solar water heaters. Eventually, Hawaii may have as many water heaters as Israel, where 90% of homes have solar water heaters installed. When viewed from above, the Jerusalem often glitters with the shine of the thousands of solar […]

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Solar Water Heaters Now Mandatory In Hawaii

Solar Water Heater On Rooftop

Hawaii has become the first state to require solar water heaters in new homes. The bill was signed into law by Governor Linda Lingle, a Republican. It requires the energy-saving systems in homes starting in 2010. It prohibits issuing building permits for single-family homes that do not have solar water heaters. Hawaii relies on imported […]

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Electric Folding Bikes: Ultra-Efficient City Travel

Dahon Mu With Bionx Folded

Folding bikes are particularly efficient when used in conjunction with public transit. Unlike regular bikes, they can be taken easily on buses, trains or ferries. In fact, some transit systems will only allow folding bikes to be taken on board. I recently reviewed the Best Folding Bikes of 2008. An efficient addition to these bikes […]

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