EMAS's chief executive, Phil Milligan, insisted the figures showed performance had turned a corner.
He said EMAS bosses had demonstrated "very little" understanding of the issue during the meeting.
BBC: MP Andy Sawford warns against ambulance station closures
Mr Brewster said EMAS had budgeted an extra 10% for fuel for the coming year.
The East Midlands Ambulance Service (EMAS) board, which approved the plans, said they will improve response times.
East Midlands Ambulance Service (EMAS) said the proposal would allow paramedics to "get to patients sooner".
Emas covers Derbyshire, Leicestershire, Rutland, Lincolnshire, Northamptonshire and Nottinghamshire and handles more than 600, 000 calls a year.
Brian Brewster, director of finance at EMAS, said rising fuel costs were a real challenge for the service.
Corby MP Andy Sawford said he made the promise during an "incredibly disappointing" meeting with East Midlands Ambulance Service (EMAS).
BBC: MP Andy Sawford warns against ambulance station closures
East Midlands Ambulance Service (EMAS) has again failed to hit government targets for emergency call responses, the latest monthly figures revealed.
According to EMAS, they will allow the service to "look at the whole patient journey and so improve patient care and outcomes".
In September, EMAS's "category A8" response rate was 74.3% from 17, 591 calls.
Response figures showed EMAS failed to meet government guidelines of ambulances being on the scene of less urgent call outs within 19 minutes.
BBC: MP Andy Sawford warns against ambulance station closures
East Midlands Ambulance Service (EMAS) thanked the bus driver but said the case was not life-threatening so other emergency calls had taken priority.
Since September 2012, EMAS has been seeking to make extensive changes.
East Midlands Ambulance Service (Emas) refused to confirm what the new proposals were but following a meeting on Thursday admitted it was considering different options.
He said East Midlands Ambulance Service (EMAS) needed to come back with better proposals on station closures and those in Worksop and Retford should stay.
In a separate report by the Care Quality Commission (CQC), EMAS was found to have failed to meet three of six standards the commission uses to assess healthcare providers.
"We will continue to assess the impact of our new staff rotas, put in place to better match demand, and to see the improvement which we expect to see from that, " an EMAS spokesman added.
The ambulance service achieved the "category A8" target for the period between April and July, but each month since April EMAS had the worst rate in England for responding to less urgent calls within 19 minutes.
EMAS's plans, which are due to be considered by its board on 25 March, also involve putting in place 131 standby and community ambulances across the six counties - Lincolnshire, Nottinghamshire, Derbyshire, Rutland, Leicestershire and Northamptonshire.
BBC: MP Andy Sawford warns against ambulance station closures
In a strongly trending market, the faster 12-period EMA will be rising or falling more sharply than the 26-period EMA. Conversely, when prices are trading in a range, the difference between the two EMAs will also be range bound.
Mr Byrne said young people were being hit by a "triple whammy" as the government scrapped Education Maintenance Allowances (EMAs), increased university tuition fees and abolished the Future Jobs Fund - which Labour say would have created 200, 000 jobs.
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