Biofuels Digest has named the top 20 “biofuels observers who are shaping opinion via Twitter.”

Some of the top names in the industry are on this list that Biofuels Digest calls “the leading practitioners of the art – the Twitterati that are shaping the biofuels landscape with their bursts of 140-character or less messages – sometimes as many as 50 or more per day to hundreds , thousands, or tens of thousands of followers.”

Here’s the list:

1. Vinod Khosla – writing as vkhosla – 31454 followers – 65 tweets
2. Solazyme – writing as SOlazyme – 8968 followers – 785 tweets
3. Robert White (RFA) – writing as fuelinggood – 4490 followers – 5421 tweets
4. Green Portland Info – writing as Green Posting – 4170 followers – 972 tweets
5. Renewable Energy World – writing as REWorld – 3619 followers – 2355 tweets
6. Missy Ruff – writing as renewablefuel – 2,839 followers – 4,063 tweets
7. Chuck Zimerman & AgWired – writing as AgriBlogger – 2,135 followers – 6,847 tweets
8. Sean O’Hanlon (ABC executive director) writing as Sean_OHanlon – 1244 followers – 1761 tweets
9. Ashley Morrison – writing as EthanolFuel from Omaha, NE – 1,034 followers
10. RFA – 1,134 followers – 1709 tweets
11. AlgaeBiofuels – 863 followers – 16,374 tweets
12. Peter Went – writing as Energy_Risk – 719 followers – 11,855 tweets
13. Todd Neeley – writing as ethreporter – 688 followers 1129 tweets
14. Domestic Fuel – writing as DomesticFuel – 500 followers – 2078 tweets
15. Bob Dinneen (RFA) writing as ethanolbob – 421 followers -571 tweets
16. ACE – writing as blend_ethanol from Sioux Falls, SD 388 followers
17. Meghan Sapp – writing as SugarcaneBlog – 379 followers – 1150 tweets
18. POET Ethanol – Writing as ethanolbyPOET – 336 followers – 487 tweets
19. Matt Hartwig (RFA) – writing as matthartwig – 246 followers – 401 tweets
20. Todd Taylor – writing as cleamtechczar – 216 followers – 624 tweets