Lightbulb moment: ‘I pay just £14 a year – and you can too’

A retired engineer has slashed his lighting bill by using LED bulbs – why isn’t everyone doing it?There is an electrical puzzle that retired engineer Rodney Birks just can’t solve. After a lifetime spent designing instruments for cars, Birks, 72, can’t quite work out why the government and millions of households are ignoring the single, simple way we can all cut the electricity bill for lighting our homes by 90%.It will shave nearly £2bn off the energy bills for Bri