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Todd takes a look at Ford's C-Max Solar Energi concept car, which amongst other things, features a solar panel roof that uses a special light concentrator lens similar to a magnifying glass to improve the efficiency of the photovoltaic cells. Ford reckons that a day's worth of sunshine is enough to charge the hybrid's battery, which is good for 21 electric-only
LED lamps are undoubtedly one of the most energy efficient ways of producing light, but even then the conversion from household AC to low voltage DC creates extra heat that needs to be dissipated. Switch Lighting Co have developed a technique that not only keeps the lamps cool but provides are more natural diffuse light. Todd and Don are illuminated
As energy prices rise and green credentials come under scrutiny, each step in the energy path is being examined for inefficiency. Andy and Courtney listen to Paul Panepinto from Green Plug on their technology. Green Plug have developed a digital controller to optimise the conversion of electricity between AC and DC. For the non-engineers, AC (alternative current) is what is