Best immediate course is to:
NO. Simply no.
End the embargo on Cuba.
End the sugar quota.
Build a 90 mile pipeline to Florida and start pumping in sugar ethanol. Brazil is the ONLY, I repeat ONLY, economy not running on oil right now. They did it on sugar ethanol and Cuba has the ability to provide us with the same service. It can be piped in instead of through tankers, which is much cheaper. American companies will own huge chunks of the refineries anyways, so profits will be coming back to the US not Saudis. All that has to happen is end the embargo on Cuba and eliminate sugar quota. The rest will take care of itself in 5 years or less.
Well actually, all you have to do is convince one of the two parties they can win the election without Florida, or Florida without the Cuban American vote.
The fact that this will work is well known and accepted by every economist and businessman who has looked at it for more than a few minutes. No one will touch it b/c of the Cuban voting block. It would be political suicide even for a Senator from another state. Ending the embargo now, while the Castros are somewhat weaker would also probably cause huge reforms in the Cuban economy, and before long Cuba might even be a state (in a Texas, we still kind of do our own thing kind of way). Almost happened once.
(As a note for those who don't know, harvesting sugar cane is back breaking work Americans refuse to do, so there is almost no sugar production in the US while Cuba has in the past provided almost the entire worlds sugar supply and could very easily increase production again).
ANWR is a terrible idea. Why don't we just sell all our national parks and use the proceeds to offer a gas rebate. What a joke. The oil from ANWR could be spread out over a much longer time and relieve oil prices, and actually with peak production estimated at 1.4 BO it would have to be.
Someone mentioned French nuclear, nice long term. Once we get car batteries that are a little better that will be great. Wind power is working out very well. There is supposedly enough wind power in places like Kansas that the whole country could easily run on it. Requires nationalized electric grid = tons of capital and instead of having regional black outs you will have national ones. There is a lot of stuff in the works, but besides ethanol, and some added windpower it is all going to take much too long(10+ years) to get here. Maybe longer to get to your gas tank.