One Way To Help Electric Planes Go Mainstream: Add More Propellers
NASA's electric plane prototype will use 14 tiny propellers to generate more lift — and use less energy — than similarly-sized fuel-based engines.
LEARN MOREA Seattle-area company wants to make regional flying cheaper and greener with electric jets that would fly to small airports.
Eighty projects will improve roads, rail, ports, transit systems and other surface transportation infrastructure in 37 states.
Unions and regulators say the second crew member plays a crucial safety role in helping operate the train and respond to emergencies.
The Francis Scott Key Bridge took five years and $60 million to build in 1970, but will cost considerably more to rebuild this time around.
Dutch authorities said they want to control a city that is overrun with tourism, in their eyes. The effort would also control annual hotel stays.
The 8-year-old Labrador Retriever worked at Reagan National Airport, and was the TSA's canine calendar dog of the month in February.
Next month, content that would be "problematic if viewed in clusters" won't be eligible to be on the FYF.