The Digest Bioeconomy Index, an index of publicly traded advanced bioeconomy stocks, gained 0.50 percent to 59.99 as advanced biofuels surged again led by Gevo. For the day, Gevo (GEVO) soared 19.83 percent to $2.62 on news of new isobutanol distribution at the pump, while Amyris (AMRS) rebounded 7.74 percent to $1.67 on closing a major debt-for-equity conversion. Among other equities, Aemetis (AMTX) jumped 8.57 percent to $3.80. Overall, advances led declines by a 3 to 2 ratio for the day.