Holiday travelers saw increased congestion at Tesla Superchargers. Despite efforts to improve charging infrastructure, it appears that Tesla is having trouble keeping up with the demand of charging sites to support its growing customer base in some places. The day after Christmas, for instance, drivers waited up to two hours for a chance to charge at the Tejon Ranch Supercharger site in Lebec, California. With the Model 3 on its way, Tesla expects its deliveries to increase dramatically, which could mean more waiting at Supercharger locations, despite "efforts" on behalf of the automaker. Read more at Green Car Reports.

Biodiesel prices have risen due to decisions made in Washington, DC. Since November 30, when the Obama administration raised biofuel consumption targets, the price of biodiesel has climbed up 10 percent. Also contributing to a stronger biodiesel market has been Congress' reinstatement of a $1-per-gallon tax credit for blenders. Meanwhile, the prices of crude oil, heating oil, gasoline and even ethanol have been dropping. While biodiesel prices slowed their growth over the holidays, analysts expect it to resume as traders return to work. Read more from Transport Topics.

Ethanol group America's Renewable Future is trailing Ted Cruz on the campaign trail. The group will stop at all 28 of Cruz's destinations in Iowa to highlight the Republican presidential candidate's opposition to federal renewable fuel subsidies. Besides Senator Rand Paul, Cruz was the only candidate to receive a "bad" grade from America's Renewable Future. "Ted Cruz's policy in the White House would be as its always been for him – devastate Iowa's farmers and its economy in order to pad the pockets of the oil industry," says America's Renewable Future state director Eric Branstad. "Iowans can't trust him and we have a duty to let them know why." Read more from The Des Moines Register.

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