In a 2005 war game, the USS Ronald Reagan, a $6 billion aircraft carrier, was "sunk" by the Swedish submarine HMS Gotland, a ...

Nuclear-powered aircraft carriers that sail with the United ... engine and fueled by either liquid oxygen or conventional diesel fuel. In practical terms, it's nearly silent when it's hunting ...

Electra has unveiled the design for its new EL9 ultra short takeoff and landing hybrid-electric nine-seater aircraft ...

Electra unveils the EL9, a hybrid-electric aircraft designed for sustainable, noise-free, and efficient regional air travel.

If a small diesel-powered sub that cost about $100 million—or approximately the cost of two F-18 Super Hornet aircraft out of the dozens on board a U.S. aircraft carrier—could sink a $6 ...

In the French Alps last summer, a plane ... small aircraft in a high school parking lot. The world has already come a long way toward creating an era of environmentally smarter, battery-powered ...

At Hitachi’s factory in Newton Aycliffe, north-east England, testing has just finished on a new “tri-mode” train, in which one diesel ... powered trains on the UK’s rail network, small ...

Delta Air Lines Bombardier CRJ-200 aircraft as seen on final approach landing at New York JFK ... Until the 1990s these were all powered by turboprops. The planes were reliable, low ...

Attack submarines are arguably the decisive weapons in high-intensity warfare between foes separated by oceans. Mobile, ...

At Hitachi’s factory in Newton Aycliffe, north-east England, testing has just finished on a new “tri-mode” train, in which one diesel generator ... says to run its battery-powered trains on the UK’s ...