We decided to try IPF's Super Clear 3200K H4 12V 60/80W bulbs, which offer a true (optical equivalent) 150W low and 195W high beam.

Our test of 10 H4 halogen bulbs reveals that the high-beam reach of the worst bulb is 60 metres shorter than the best bulb tested. Worryingly, half of the bulbs didn’t meet the minimum required ...

OSRAM ran the Halogen Eco SMS competition in participating retail stores from 18 May – 18 August 2013. Shoppers had to spot the difference between the old incandescent lamp, and the new Halogen ...