The US navy already derives one-fifth of its energy from renewables (Image: US Navy Photo/Alamy)
IF THE US military were a country, it would be the 35th biggest consumer of oil in the world: its daily demand for nearly 45 million litres of crude is larger than Sweden’s national consumption.
For the Pentagon, these figures are a matter of life and death. Truck supply convoys are highly vulnerable to attack: delivering fuel and water in Afghanistan and Iraq. In the longer term, military officials worry about keeping…
