Biofuels are being developed to reduce carbon emissions from transportation. First-generation biofuels have drawbacks, so second-generation biofuels are being explored. These new biofuels are made from non-food crops like straw and wood chips, and have the potential to lower CO2 emissions. Companies are investing in producing these second-generation biofuels, and political support for biofuel production is growing in the USA, UK, and EU.