Just read this in an engadget article:
"Oh, sure -- gas is bound to hit $4 a gallon before 2020"
This made me laugh. Loud.
In the Netherlands today, fuel price for regular unleaded is €1.54 per litre. That is €5.96 per gallon. According to an online exchange site, that is $7.28. Per gallon. It's not 2020 yet. Welcome to the real world.