UK Prime Minister Boris Johnson’s ‘green industrial revolution’ plan could be “out of kilter with reality” and raises a string of unanswered questions, from big energy policy and regulatory holes to specifics about how the gas and power grids will cope, industry commentators warned.

Johnson’s ’10-point plan’ was released amid much fanfare in a late-night launch this week, with most attention focused on an accelerated 2030 deadline to end sales of new petrol vehicles.