Lockheed Martin lifts lid on Top Gun’s Darkstar hypersonic jet concept

"Top Gun: Maverick" has quickly become a monumental success at the box office, but the film's producers couldn't have done it without leveraging the expertise of some of the world's foremost experts in all things aerospace from Lockheed Martin Skunk Works.

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Zero-emissions hydrogen cargo airship prototype planned for 2025

H2 Clipper says large electric airships lifted and powered by green hydrogen stand ready to transport massive cargo loads over enormous distances much faster than cargo ships, and with zero emissions. But can they overcome the obvious obstacles?

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Winnebago takes its e-RV electric camper van on a 1,400-mile road trip

Winnebago just got home from an extended 1,400-mile test spin in its all-electric e-RV camper van. The company points to the trip as evidence of the feasibility of e-campers, but its experience also affirms the uphill battle facing all-electric RVs.

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Multi-level cargo trike rolls like the Japanese kei van of ebikes

If you can't build out, build up. It works for city buildings, and a Japanese design firm is trying to make it work for city bikes. The Streek e-trike carries two levels of cargo inside a loop frame compact enough for tight city streets and paths.

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Pedals power paddles in Thames-travelling Jamima Paddleduck boat

Although pedal-powered boats do exist, most use either a propeller or flapping fins. Ben Kilner's one-off Jamima Paddleduck takes a different approach, with two rear paddles mounted on a bike frame – and the setup has some definite selling points.

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Harley-Davidson’s Serial 1 heads to the backcountry with the SWITCH/MTN

Following hot on the heels of the limited-run BASH/MTN ebike, Serial 1 has now added a brand new electric mountain bike to its main line up. The SWITCH/MTN eMTB has familiar core features but comes with a bunch of off-road-specific enhancements.

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Air Nostrum signs up as Airlander 10 launch airline

With Hybrid Air Vehicles planning to commence production later this year, a new agreement with the Air Nostrum Group has been inked for the supply of a small fleet of 100-seat Airlander 10 airships to fly on Spanish domestic routes.

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World’s most efficient passenger plane gets hydrogen powertrain

The Celera 500L is a truly remarkable design. Otto Aviation says its odd shape delivers an astonishing 59% reduction in drag, so it can cruise as fast as a small jet while using 80% less fuel. Now, Otto and ZeroAvia are giving it a clean powertrain.

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Audi’s e-rickshaws breathe second life into used e-tron batteries

The question of what to do with electric vehicle batteries after their vehicular life cycle ends is only going to get louder and more pressing. Audi is experimenting with one possible option: electric rickshaws powered by second-life batteries.

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Skarper tech turns bikes into ebikes by powering the brake rotor

There are now many kits for converting regular bikes into ebikes, most of which involve swapping in a motorized wheel or adding a device that rolls against the rear tire. The Skarper system is different, in that it drives the bike's rear brake rotor.

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