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CNG Chevy Impala launch delay grows to a year

The 2015 Chevrolet Impala Bi-Fuel was announced in Washington D.C. in late 2013 by Dan Akerson and was supposed to be on sale by the summer of 2014. Capable of running on gasoline and compressed natural gas, the sedan was said to offer a novel solution at a time when gas prices were high. The vehicles still haven't arrived at dealers, though, and according to Automotive News, a quality issue has set back the launch even a few months more. Using a modified 3.6-liter V6 with hardened valves and valve seats, the Bi-Fuel Impala has separate tanks for gasoline and CNG that it can switch between on the fly. When running on the cheaper natural gas, the sedan was estimated to get 19 miles per gallon in the city and offer 150 miles of range, and the total driving distance was predicted at around 500 miles. The base price was set at $38,210, after the $825 destination charge. The only other major tradeoff was a smaller trunk to accommodate the extra fuel. However, the first shipments of the bi-fuel models now aren't expected until mid-July – about a year later than the scheduled launch. A memo to dealers obtained by Automotive News said the sedan "has been delayed by a second quality hold" to look at the CNG system. The exact details surrounding this problem haven't been released. "We have identified a solution to the delay and are working hard to implement it within the next few months," General Motors spokesperson Chad Lyons said to Automotive News. Around 200 Bi-Fuel Impalas have been made, but none are yet in the hands of customers. Dealers should be able to order 2016 model year examples starting in the third quarter of this year.

Fernando Alonso sputters in his Indy test

INDIANAPOLIS — Helio Castroneves and Fernando Alonso kept waiting around Wednesday. Now both international stars have some unfinished business to take care before qualifying for this year's Indianapolis 500. After enduring a rain delay of more than four hours then watching IndyCar regulars turn laps at Indianapolis Motor Speedway for two more hours, Castroneves and Alonso finally made it onto the track — but couldn't quite complete their refresher course. "Happy to be back here because this place is great," Alonso said after posting a fast lap of 218.690 mph — the slowest of the nine-driver evening session. "We were slow because the weather and some of the decisions people made on running time and things like that." He faced a bevy of problems in his first trip back to Indy since an impressive rookie performance in 2017. The rain delay forced organizers into rescheduling the one-day test, moving the rookie and refresher driver time from midday to the evening, cutting a significant amount of practice time for Alonso and the others. And when the green flag finally waved, Alonso's No. 66 car stalled in the warmup lane forcing the two-time Formula One champion from Spain to be towed back to pit lane where his crew worked feverishly to fix an electrical problem while sat in the cockpit. Eventually, he did get out and passed the first of two refresher phases. He'll have to wait until opening practice of the 500 on May 14 to pass the second. "It was frustrating for everyone because it was a brand new chassis and a brand new car, so we expected to run a lot," said Alonso, who drives for McLaren Racing. "If we could have had this at midday, you could work on your issues in the afternoon and then go out again." To put his day in perspective, Takuma Sato, the 2017 Indy winner from Japan, posted the fastest lap of the day at 226.993 mph and Colton Herta was the fastest rookie at 226.108. Castroneves, as usual, was good right from the start and posted a fast lap of 225.565. The three-time Indianapolis 500 winner looked smooth and fast on his favorite track and wasted no time passing the first phase. That much should have been expected from the popular Brazilian, who has recorded seven top-three finishes in 18 Indy starts and will make his season debut May 11 in the IndyCar Grand Prix. The weather and yellow flags prevented four of the five veterans — Castroneves, Alonso, Oriol Servia and JR Hildebrand — from passing phase two. Only Indy native Conor Daly made it.

2016 Chevy Camaro Convertible gets cleaner looks, improved refinement [UPDATE]

UPDATE: We have live photos from the reveal. Scroll to the bottom of the story and check them out in the Related Gallery. Back in May, Chevrolet introduced a redesigned Camaro. Now, and not at all surprisingly, the Bowtie brand is showing off the latest Camaro convertible, based on the coupe that debuted on Belle Isle in Detroit. From the beltline down, this is the same car that was so well-received last month. But above the waist, there's an all-new, fully automatic canvas roof that can be raised and lowered at speeds up to 30 miles per hour. On top of that, owners will be able to drop the roof remotely by simply pressing a button on the key. Chevy does not, however, say if this new convertible roof is lighter than last year's top. The biggest change for the Camaro convertible, though, is something we've long yearned for – a proper hard tonneau cover that deploys over the folded roof. The current muscle car's roof fabric has the unpleasant tendency to flap in the breeze. The new droptop shouldn't have that problem, and will likely boast an even cleaner top-down profile to boot. Like the hardtop, though, the Camaro convertible does benefit from the same lightweight structure, that helps trim "at least" 200 pounds of body fat. It should also make use of the same powertrain lineup, with a turbocharged four-cylinder, a 3.6-liter V6, and a 6.2-liter V8 with six-speed manuals or eight-speed automatic transmissions spanning the lineup. "From the beginning, the Camaro's architecture was developed to incorporate a convertible with uncompromised driving dynamics," Camaro chief engineer Al Oppenheiser said in the attached release. "Customers will appreciate what they don't feel: quivers, cowl shake or an under-damped chassis typically found in a four-seat convertible." Increased refinement, a cleaner look, better driving dynamics and a more usable convertible roof? We're looking forward to you 2016 Camaro convertible. Chevy claims the new car arrives in "early 2016," which means we should plan on seeing this droptop at the typically cold and snowy Detroit Auto Show. Until then, check out the full press release from Chevrolet. Related Video: Chevrolet Lifts Lid on 2016 Camaro Convertible Segment's most advanced top is fully automatic, with refined appearance DETROIT – Let the sun shine in. Chevrolet will offer a convertible model of the all-new 2016 Camaro, featuring the segment's most-advanced top.