Everyone will get their chance to voice their opinion at the next general election and vote for their particular party - where it may or may not bring about change. Any new incoming government will however have their hands tied - hence the reason they're not promoting a 'wish list' of change.
Trouble is, the UK is fooked. Our bail-out of the banks has seen borrowing rise at unprecedented level. The UK is paying £5.9 billion a month in interest charges alone.
Back to fuel again, short of converting your car to run on chip-fat, we're over a barrel on this one. Driving efficiently (55-65mph), (remove that horrendous Halfords roofbox - which looks like an Samsonite case on steroids), don't carry excess weight, ensure car is serviced regularly, tyre pressures at correct level, and walk where possible.
Any pennies saved can be spent on your boat. At this rate that will be about 2 minutes at full throttle!