Drivers may be able to claim back more in expenses for mileage, after Rachel Reeves said she was considering increasing the minimum tax-free amount.The Chancellor said she understood driving costs had risen “significantly” in recent years, as the current rate of 45p-per-mile was last updated 15 years ago.The Approved Mileage Allowance Payment defines how much employees can be reimbursed tax-free for using their own cars for work.Drivers can currently claim 45-per-mile tax-free for the first 10,000 miles and is supposed to cover running a vehicle, including insurance and servicing. After that drivers can claim 25p-per-mile. An additional 5p/mile can be claimed for each passenger transported.