 Proponents of personal carbon trading claim that it is an equitable way of addressing climate change and peak oil, as it could guarantee that a national economy lives within its agreed carbon budget and ensure fair access to fuel and energy.They also believe it would increase ‘carbon literacy’ among the public, while encouraging more localised economies.For example, in the UK, the city of Manchester claims it is "the first city to undertake to empower all its citizens with carbon literacy."