Thank you, Geoff. I'll now talk about some of the highlights of the quarter and the year. I'll start by mentioning that at the beginning of the year of 2017 we saw just a few ethanol-free gasoline pumps at retail locations, but by the end of the year this number had grown to almost 200 different pumps. This gave us all confidence to expand our relationship with Musket. Now along the way we did a market study for the niche market where our product might be particularly valued. A company called Stillwater Associates, they are pretty well known in this space, did the work. They found that the total ethanol-free market is estimated about 7 billion gallons in the U.S. alone. That's not a bad sized niche. About 2 billion gallons of that estimated market is in RFG areas. Those are the areas that require oxygen in gasoline. As you all know, those RFG areas, they are our current focus. This specialty, this large niche market does have the hassles of a specialty market in setting up distribution, but we think the payoff will be worth it in the end. Second, we have been developing the EU market for isooctane. Isooctane is used for renewable gasoline among other things. Isooctane really is the octane of gasoline, the major component in gasoline. We've been able to sell the entire volume produced at our demo plant. Of course you know that we have Haltermann Carless as a customer, both from the demo plant and they also made a commitment to purchase from our expanded plant once we build out Luverne. We also have BP, Total, BCD Chemie as customers. Based on the interest and the prices customers are willing to pay for isooctane, we believe that there is a strong market for the products. The prices are encouraging and show that there really is demand. We are told that our products currently are being sold for gasoline in part for F1 race cars, that requirement of having a renewable component in their gasoline. We think there is an opportunity to expand the isooctane capacity and sales for this niche from the demo plant in 2018. We are also working to pin down how big that market can be and at what price, with an eye towards large volume and that secure more offtake agreements. As the third highlight, I'd like to speak about Fly Green Day at Chicago O'Hare Airport on November 8. During the Fly Green Day, Gevo's alcohol-to-jet fuel was used across the airport with multiple different commercial airlines. The purpose of this day was to show that the logistics and cost would be similar to petro-based fuel. A key question on customers' mind had been, how much would it cost to get alternative jet fuel into the system? And we were told by customers that getting an alternative fuel into the airport and into planes could cost as much as $1 a gallon and upwards, maybe even several dollars a gallon, depending upon how much handling and segregation is required. The Fly Green Day was a project to figure out both details of logistics and cost and also to get companies to fly on our jet fuel. Now in order to get the fuel into the system, it had to be delivered to a tank farm and blended. After the fuel was blended, it needed to go through a certification process, then piped to tanks and on airport storage. Once it's on the airport site in the tanks, then we pumped out the [indiscernible] to fuel trucks and then take it to the planes. Now a key point in understanding this is that once our fuel is blended with a petro product, it is indistinguishable from petro-jet. Yes, our carbon is renewable, but in fact as far as the performance goes, the certifications go, once it's blended, it's all the same, completely fungible. In order to get this project done, [indiscernible] took full cooperation of all the parties involved. This included the refiners, pipeline companies, tank farm owners, all the airlines who bought fuel at O'Hare Airport, and others. All parties involved had to agree to cooperate and I would like to mention that any one of these parties involved could have vetoed at any time. They didn't. Many people believed it wouldn't be possible to get alignment and cooperation from all the various parties in the supply chain, but we managed to prove them all wrong. In total, it took a cooperation of 20-plus companies to get our fuel into O'Hare Airport, Air BP, Kinder Morgan, ASIG, all helped with the infrastructure, blending and testing. Lufthansa played a key leadership role in making it all happen. Lufthansa, United, Cathay Pacific, JAL, Etihad, Korean Air, Atlas Air, and FedEx, all bought our fuel for commercial flights. While nine companies paid for the fuel that day, the fuel potentially went to all the flights that took off at O'Hare that day. Once our ATJ is blended with conventional jet fuel, it is 100% fungible with pure conventional jet fuel, as I already mentioned. Now the nine companies that paid for our fuel, they receive the public credit for it. We believe that this was the first time that an alternative jet fuel like ATJ had been put through the whole system, including the on-airport tanks, the hydrogen systems, the off-airport tanks, the pipelines. It was a milestone that matters to everyone involved in the supply system, since we learned that it is possible to transfer our specialty fuel through the current distribution channel. We are pleased to know this can be done and that all the parties cooperate to make it happen. Most importantly, we showed that the cost of blend and to certify the fuel is only a small fraction of $1, not the $1 to $3 per gallon that people talked about. I'm happy to announce that we are working on a similar project with Virgin Australia at the Brisbane Airport. Since Fly Green Day, we have been in discussion with additional potential offtakers and we are working through negotiations. Next I would like to provide you with an update about Praj Industries. In July Praj announced they are ready with a process design package and take out the licenses. They successfully adapted our technology so that it can be used in sugar mills. In the fourth quarter of 2017, they refined engineering details. Praj has identified a couple of initial licenses. We've been in discussion with them. We even finished the negotiations at commercial license agreements. And we're making progress plugging along. We expect to get the license done in 2018 but we just don't know exactly when. We are also excited about the continued improvements we make in isobutanol process. We are glad to share that we achieved our cost goals for the variable cost of isobutanol and our plant ran well on isobutanol. In fact, we made enough improvements so that we can cut back on development resources, which brings me to the next point. As you all know, we have been working on extending our runway. We shifted gears last year when it became clear that the contracts for hydrocarbon products, particularly jet fuel, are taking longer than expected to complete. Even though we have been making progress with several different customers, the contracts just aren't done yet. So if we depend upon their timelines, [indiscernible] to make predictions as to when they will happen, even though we expect that they will happen in the future. Now, in summary then, we accomplished our [indiscernible] isobutanol production when we produced the quantities of isobutanol we wanted for inventory, which means that we already have accomplished most of the development work around IBA and our yeast. In addition then [indiscernible] as many development employees, so we decided to let them go. By running up in inventory of isobutanol in 2017, we expect the inventory will be sufficient to carry us through the majority of 2018, if not all. Since we no longer need to run IBA in the year 2018, the Luverne plant can be used more optimally. It also means we can focus on the production of ethanol and on improving the general process improvements that add value and will benefit both ethanol and isobutanol at that site. Overall, we expect to reduce our burn in 2018 by 30% or more compared to 2017. If you compare the fourth quarter of 2016 to the fourth quarter of 2017, you see that we cut our loss from operations by $1.7 million. Across the year of 2018 with the improvements we hope to make at the plant, we would expect the monthly burn rate to further improve and hopefully be reduced each quarter, while we don't have a clear enough view yet to give any specific guidance. Also as you all know, we are subject to the fluctuations of commodity prices by corn, RINS, and ethanol price for example. In addition, we have the opportunity to sell more hydrocarbon products out of the plant in Silsbee. Considering our cost reductions across the Company and what we expect to occur at Luverne short-term, together with some revenue and margin pickups out of Silsbee, we believe that our cash flow situation will significantly improve compared to where it's been in the past. I hope to be able to talk in more detail within the near future about what we are doing at Luverne. I'm excited that we can now see a way to bring our Company to profitability in the not too distant future without having to build out isobutanol and hydrocarbons at large scale, although that does remain our ultimate goal. We are leaving no stone unturned and we still have work to do in front of us to make it all happen. Some of you have heard various reports of renegotiation of the RFS brokered by the Trump administration, I'm getting questions about this. While there is one meeting at the White House and some discussions, there were additional meetings planned but they were cancelled. We are told that the issue has been sent back to Congress to work out its normal course through legislation. I don't expect anything material to happen this year. Now, of course as we worked to extend our runway and improve profitability at Luverne, we had to keep pushing the market and commercial development of isobutanol, jet fuel, renewable gasoline, isooctane, isobutylene, and other products made with our technology. We are also keen on getting additional strategic deals done. So in conclusion, we believe that we have made progress on extending our runway. We continue the work to extend it further. We plan on getting our hydrocarbon deals done. I just believe it is a question of timing. We plan on continuing to expand our distribution regions for isobutanol outside of the Houston region. We plan on optimizing our plant in Luverne to further improve used cash flow. And we expect to improve our balance sheet as well. Now I will turn the call over to Bradford who will take us through the financials. Bradford?