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A new hydrogen fuel cell convertor for internal combustion engine vehicles has been launched by a UK-based company looking to convert petrol and diesel vehicles. Caigan Vehicle Technologies today (August 26) said its engineers can replace ‘traditional’ combustion engines with a complete hydrogen fuel cell power system to allow fleet managers to upgrade vehicles to cut emissions and meet various net zero targets. To convert a vehicle to hydrogen, Caigan Vehicle Technologies will remove existing engine and fuel systems, and retrofit a hydrogen storage tank, a fuel cell to convert the hydrogen gas to electricity, a traction battery and an...

We examine the lightweight hydrogen engine developed by an Israeli firm   Aquarius Engines website  A new, lightweight hydrogen engine concept from Israeli firm Aquarius Engines has been under development since 2014 and is close to maturity. Powered by hydrogen, the Aquarius Two Sided Free Piston Linear Engine (FPLE) is designed to generate electricity for plug-in series hybrids or range-extenders. The tiny engine consists of a mere 20 components, only one of which moves. Although originally designed to burn petrol, it could conceivably operate on a variety of fuels including the latest ‘dropin’ carbon-neutral, synthetic liquid fuels, and a hydrogen version of...