Autocar - - NEWS -

Tfl’s web­site sug­gests that retro-fit­ting smog gear will be ac­cept­able. How­ever, we strug­gled to un­earth a sin­gle de­vice ap­proved for a car. Most tech­nol­ogy is aimed at buses and trucks.

One de­vice is the £400 CGON ezero, which in­jects low doses of oxy­gen and hy­dro­gen into the in­let man­i­fold, but it is not yet ap­proved.

CGON CEO Simon John­son said ezero fit­ted to a Nis­san Qashqai diesel has cut par­tic­u­late mat­ter by 90%, NOX by 48% and CO2 by 12%. “We’ve shown ezero works, but ap­proval is wait­ing on rules that haven’t yet been pub­lished,” he said.

The govern­ment has promised to pub­lish reg­u­la­tions by March this year, leav­ing lit­tle time to gain ap­proval.

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