Search Results for: luceneapi_node/American History Museum

German Town Will Soon Use 100% Renewable Power

There’s a small town in Germany called Dardesheim, that relies almost entirely on renewable sources for its energy needs. The town’s goal is to use 100% renewable power, and become known as German’s “Town of Renewable Energies”. Dardesheim already has some huge wind turbines in place, and many solar roofs installed. Last year they installed […]

Efficient Planes Good For Business; Gas Guzzlers Get Left Behind

Efficient Planes Are Good Business; Gas Guzzlers Get Left Behind

The airline industry is one of the nation’s biggest consumers of fuel – no surprise there – but new aircraft technology has dramatically improved planes’ fuel efficiency.  Besides drastically cutting carbon emissions, more efficient jetliners have proven critical for airlines’ financial bottom lines, and companies clinging to outdated technology are paying the price, as evidenced […]

2010 Review Of Tankless Water Heaters

A Young Woman Enjoying The Benefits Of A Point-Of-Use Water Heater

Tankless water heaters have been used in Europe and Asia for 50 years, and they are gaining popularity in the US. Right now they represent about 8% of new sales in the US. Tankless heaters, also called on-demand, flash or instant water heaters, qualify for a $300 federal tax credit. How efficient are tankless water […]

Natural Indigo Jeans: Metaefficient?

Originally, jeans were dyed with the color of the actual indigo plant. Today, natural indigo jeans can’t be considered metaefficient because they are expensive and only available as a kind of designer jean. Notwithstanding this, people admire these jeans because of their distinctive, deeply hued appearance. The story behind them is interesting too. There are […]