ESA announces the success of the Greta rocket. We analyze its engine tests and the innovative architecture of its combustion chamber.

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

Conventional green coolant lasts two to three years or 30,000 to 50,000 miles. Extended-life orange and red coolants last five years or 100,000 to 150,000 miles under normal operating conditions. The ...

Known widely in motorsports as the “diesel experts”, Hot Shot’s Secret formulates, manufactures, and distributes over 50 products for gas and diesel-powered vehicles and agricultural equipment ...

An updated edition of the January 27, 2026 article. 3D Printing, also known as additive manufacturing, has fundamentally reshaped product design and fabrication. Since its emergence in the 1980s ...

Explore the innovative collaboration between LEAP 71 and HBD in creating the largest 3D printed aerospike rocket engine.

DENVER, March 12, 2026 /PRNewswire/ -- The Air Force Research Laboratory (AFRL) and Ursa Major recently executed a flight of the Affordable Rapid Missile Demonstrator (ARMD) powered by the Draper ...

LEAP 71 and metal additive manufacturing (AM) firm HBD have additively manufactured an aerospike rocket engine that can generate 20 tons (200 kN) of thrust. At one-metre in height, the partners ...

A new partnership has begun this week to see if a new fuel additive can help boost diesel engine performance and reduce emissions.

Vehicles built after 2007 generally require ultra-low sulfur diesel, but off-road vehicles and boats can often use regular diesel.

ULAS HiPR is designing and producing what it claims is the first additive manufactured liquid rocket engine in the Republic of Ireland.

I had the radiator serviced on my car; just preventive maintenance. I noticed on the repair invoice I was charged for a cooling system additive.