A pioneering hydrogen-fuelled engine was among the many 'green' cars on display at the British International Motor Show in Birmingham.
The BMW 750hL attracted keen interest among visitors, many of them curious as to why the company has opted to use the combustion engine rather than develop fuel cell technology for the future use of hydrogen.
The luxurious long wheel-base BMW 7 Series houses a conventional 5.4-litre internal combustion engine, but instead of being powered by petrol, the tank holds super-cooled hydrogen which can be generated from water using solar energy, ultimately leading to zero-emissions.
BMW regional technical manager Lloyd Truman said: "We are unique among the major manufacturers in banking on hydrogen-powered internal combustion engines now for our cars in the future.
"At the moment both technologies face the lack of infrastructure to use hydrogen, but the 750hL's engine can also be run as a petrol and hydrogen bi-fuel car,"
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