Ashley Cooper / Bio fuel petrol station in Ecija, Andalucia, Spain. May 2011.
01592062
Ashley Cooper / Bio fuel petrol station in Ecija, Andalucia, Spain. May 2011.
01592061
Ashley Cooper / Bio fuel petrol station in Ecija, Andalucia, Spain. May 2011.
01295947
Nick Upton / Biogas plant with fermenting chambers for methane production from maize silage and silage heap in foreground. Cornau, near Vechta, Lower Saxony, Germany.
01295946
Nick Upton / Biogas plant with maize silage being carried by tractor from silage heap to fermenting chambers for methane production. Cornau, near Vechta, Lower Saxony, Germany.
01295945
Nick Upton / Biogas plant with fermenting chamber for methane production from maize silage, with silage hopper in foreground. Cornau, near Vechta, Lower Saxony, Germany.
