Another NATO nation accuses Russia of drone incursion VnExpress Romania scrambled F-16 fighter jets and allied aircraft in response to a Russian drone allegedly violating its airspace.
Compact 4-cylinder gasoline engine designed for electric vehicles VnExpress A naturally aspirated 1.5-liter 4-cylinder engine could extend the range of electric vehicles by hundreds of kilometers.
Horse Technologies launches liquefied petroleum gas hybrid engine VnExpress Horse Technologies introduces the HR12 LPG, the first mass-produced direct-injection liquefied petroleum gas hybrid engine, meeting Euro 6e emissions standards.
