Add vehicles like bikes/quads/cars, Could add roads too that makes them faster and...GAS! it keeps them running and costs more money to buy.
Sell the gas for discounted prices like 1 litre for 75Gold and 2 for 125Gold!

It’s a cool idea, although moving faster than roads might be problematic for users on slow internet connection
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Logan commented
wait, VEHICLES ONLY NEED GAS IN REAL LIFE, please don't make them require gas!
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Anonymous commented
Cars should be really expensive and only purchasable at level 6 possibly even costing plat.Also mods should be able to get helicopters and airplanes.
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Meep commented
But what about people like me, who make decorative cars? :O
Seriously though, I want working cars :P
Larger vehicles would probably have to be larger than 1 block though, which could be complicated to program for narrow spaces, but I don't know.
And vehicles should protect us from enemies :D