3.89 Cheapest here in columbus ohio, But if we could innovate our supply for energy with algae oil, we Wouldn't be contributing to co2 emission, virtually free, an every tone of stuff made intakes 2 tons of carbon dioxide, An I know for those who live in city's thats good an such. Test this an goto city for one day then go to a metro park you can realize air diffrence being in a natural green land. All we need is water, sun light, co2, an nutrients an you have algae An land only requires 1/4 of Illinois to power whole us oil need's.