HID bulbs, also known as xenon bulbs, produce a bright, white light that is similar to daylight. They are more expensive than halogen bulbs but are significantly brighter and have a longer lifespan.
All the bulbs tested were H4 double-filament specification: halogen headlamp bulbs ... It projected light furthest, with the brightest beam. Furthermore, it was streets ahead of rivals in the ...
In addition to being brighter, xenon bulbs use less energy than halogens ... a single LED bulb doesn’t produce as much light as a single halogen and is not a good substitute.
LED lights last five times longer than traditional halogen bulbs and produce the same amount of light, but use up to ... meaning less waste and a brighter and cleaner future for the UK.