Would you believe me if I told you the U.S. military had the option to field a hybrid-electric tank more than a century ago?

The A-85-3A turbocharged diesel engine means the tank can reach a top ... 3 model as part of a wide retrofit and upgrade to the army's tanks. Over 400 of the Challenger 2s have entered service ...

The US Army has the M1A2 now ... Related stories The tank's powerful gas-turbine engine, which is sometimes compared to a jet engine, can get the 60-ton M1A1 up to 45 miles an hour.

The military plans to complete the deployment of some 100 next-generation tanks equipped with an indigenous engine and ...

It will also have a more powerful engine. Will there be risks in ... British army to be cut to 72,500 troops by 2025 British Army could axe ageing tanks as part of modernisation plans Telford ...