Quoting from a report by Huey Freeman in the Decatur Herald&Review
Two men in suits were standing on his porch.
"They showed me their badges and said they were from the Illinois Department of Revenue," Wetzel said. "I said, 'Come in.' Maybe I shouldn't have."
I am slightly surprised the Wetzels weren't cuffed
The agents informed the Wetzels that they were interested in their car, a 1986 Volkswagen Golf, that David Wetzel converted to run primarily from vegetable oil but also partly on diesel.
Aha! got em!
Since the initial visit by the agents on Jan. 4, the Wetzels have been involved in a struggle with the Illinois Department of Revenue. The couple, who live on a fixed budget, have been asked to post a $2,500 bond and threatened with felony charges.
The Wetzels and two others got their day in the sun on 1 March when they testified before an Illinois senate committee on biofuels taxation.
The committee liked what it heard from them and unanimously approved a Senate bill that would remove the bond requirement for those who use cooking oil in their private vehicles in Illinois. It just needs to be passed the Illinois Senate, Illinois House and be signed into law by the Governor. Thanks for the coverage Huey.
It looks to me like the State of Illinois needs to get it self sorted out in terms of a biofuels taxation policy, that will actively encourage the use of small scale biofuels and not have its lawmen blundering around at the request of confused taxmen.
It is not a question of joined-up-thinking. No its more fundamental than that: Its about thinking in the first place and making the response fit the situation.