There are many risks to growing grapes in Napa County, including the danger of frost damaging new growth that would otherwise mature to produce the valuable crop. To protect against frost, grape ...

One wind turbine, depending on its size, is comprised of 10 to 25 tons of iron castings that range in weight from less than 100 lb to as much as 80,000 lb, states the American Wind Energy Association ...

China is renowned for its innovative strategies and ambitious approach to energy production. The Asian country has developed a 53,820 sq ft wind machine, which is capable of providing power for over ...