In article ,
Harry Bloomfield wrote:
Dave Plowman (News) explained on 08/11/2016 :
Yehbut that's just poor design. Nothing to do with being halogen or not.
Cars have had very small high powered halogen lamps for years.

Inded years. My MkIII Cortina - bought new in 1971 - had halogen
headlights. That's 45 years ago!

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from KT24 in Surrey, England