The current freeze on fuel duty - of which 2021 is the eleventh consecutive year - should be abolished. Fuel duty should be increased to match, or exceed, inflation over the past eleven years - in other words, it should be equal to or greater than what it would be had it never been frozen.
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The predominant effect of the freeze is to keep the cost of petrol and diesel used in vehicles down. This reduces the incentive for motorists to switch to electric vehicles, & comparatively penalises users of public transport, who have still faced regular fare increases throughout the freeze.
In a time when climate change is a more serious issue than ever before, it is simply irresponsible of our government to adopt policies which discourage adoption of far more environmentally friendly modes of travel.