There are also opportunities to enable businesses to invest to reduce their contribution to air pollution; but risks this won’t happen given the financial difficulties many face. This should be in addition to the “Best Available Techniques” process which covers industrial sites regulated under environmental permits and help the many small businesses that are not covered by these regulations. The Government should: c) review policies that rely on vehicle fleet turnover to ensure there is not a slowdown in the removal of older and more polluting vehicles; d) develop financial incentives and support to encourage businesses to invest to reduce their impact on local air quality; and e) support the development of robust standards and processes for air quality audits.