Car club membership has rocketed since the start of the year as drivers race to cut air pollution and costs.

And the good green news has continued with a decision by service provider, Streetcar, to scrap the upper age limit for new members and give over 75s the chance to sign up to the eco-friendly scheme.

Between January and July, more than 700 motorists signed up to a car club in Richmond, which enables them to drive on a pay-as-you-go basis by booking cars – parked in designated bays across the borough – for as long as they need.

According to Richmond Council, the sudden 74 per cent surge, from 997 to 1,734 members, “fully” justifies its support for the three clubs operating in Richmond – Streetcar, Zipcar and City Car Club.

Concern had been raised that, despite the apparent rising popularity of the scheme, age requirements meant not every driver was being given the chance to lead a greener life on the road.

But Streetcar’s head of marketing, Jonathan Hampson, confirmed that by the middle of August rules were being changed to allow over 75s to join the club.

He said: “We are reviewing it and we are definitely getting rid of the upper age limit. We are thrilled how Richmond is going – it is probably one of the most progressive boroughs in terms of car clubs.”

Council cabinet member for traffic transport and parking, Councillor David Trigg, said: “We know car clubs might not work for everyone, but evidence shows more and more people are finding out the benefits and how much money they can save by joining.

“If you drive less than 6,000 miles a year you could save up to £3,500 by giving up your car and joining a club instead.

“We’re determined to reduce the levels of harmful CO2 gas pumped into our air in the borough, and this evidence of a shift away from car ownership proves we are doing the right thing. I am delighted at the outstanding success of the scheme so far.”

The arrival of 74 on-street parking bays in February caused a storm among some residents and councillors, who were angry that existing pay and display and residents’ bays were replaced without consultation. The council defended their introduction, claiming there would be a rolling six-month consultation.

A council spokesman said a consultation meeting would take place in October.