Wheelies: The Double-Image Edition - NYTimes.com In which we bring you motoring news from around the Web: On Tuesday, Toyota announced powertrain specifications for the redesigned Avalon sedan. The 3.5-liter V-6 engine found in the Toyota Camry SE as well as the 2013 Lexus ES 350, producing 268 horsepower and 248 pound-feet of torque, is the standard powertrain. The Hybrid Synergy Drive system used on the 2013 Lexus ES 300h is repurposed here, helping the Avalon duplicate the ES's combined Environmental Protection Agency-certified fuel-economy rating of 40 miles per gallon. Pricing is expected to be announced late this year, closer to the sedan's sale date. Toyota The Caterham Group, consisting of the niche British sports-car manufacturer and Formula One program, has parted ways with Ansar Ali, the chief executive of Caterham Cars. Mr. Ali is being succeeded by Graham Macdonald, previously the company's chief financial officer. The group did not disclose Mr. Ali's motivations for leaving. Caterham At its sale last weekend in Orange County, Calif., Barrett-Jackson auctioned the first production version of the 2013 SRT Viper GTS. The Viper, which had its debut at the New York auto show in April, sold for $300,000, with proceeds from the sale donated to the Austin Hatcher Foundation for Pediatric Cancer in Chattanooga, Tenn. Chrysler A tax-credit program in Louisiana, introduced in 2009 to encourage purchases of alternative-powertrain vehicles, may cost the state not $1 million as originally estimated, but $100 million in 2012 alone. The cost volatility was introduced by a state official who in April added flex-fuel vehicles to the list of those qualifying. Gov. Bobby Jindal rejected the measure on June 14, but because the law was on the books for the interim period, the state was expected to honor applications for the credit postmarked June 14 or earlier. The Monroe News-Star, via Green Car Reports Ford announced on Tuesday that the 2013 F-150 SVT Raptor would offer, as optional equipment, bead locks for the vehicle's tires. When the tires are at low inflation levels to facilitate rock scrambles, the bead locks prevent them from slipping off the wheel rims. Ford did not disclose pricing for the feature or for the slightly refreshed truck. Ford