2006 Nissan Altima Sedan 4-door 2.5l on 2040-cars

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Roller coaster or racecar, which pulls more Gs?

Looking for a thrill? You're not the only one. You'll find kindred spirits at airfields going up for a skydive, atop bridges and towers with bungees attached to their feet and standing in line for roller coasters at the local amusement park. But you'll also find them in the paddock at the racing circuit.
So what's the commonality? G-force. It's like gravity, only in each of these cases, it's experienced by human invention. But which activity subjects your body to the greatest amount of g-force? That's what Nissan set to find out.
Before putting them back in the cockpit, Nismo sent out two of its young hot-shoes - Jann Mardenborough and Mark Shulzhitskiy - to an amusement park in the UK with a camera and a g-force meter to find out if any of the coasters could produce as much lateral gravitational force as an LMP2 racing car. See what they found in the pair of videos, below.

Nissan's Le Mans-bound ZEOD RC electric racecar nearing completion [w/video]

Nissan is working away on its ZEOD RC (Zero Emission On Demand Racing Car) which is still on pace for a Le Mans arrival in 2014. As of right now, the DeltaWing-shaped car's carbon-fiber tub and chassis have been completed. The next step will be installing the twin electric motors and fitting the seat of driver and GT Academy winner Lucas Ordóñez. If the current schedule sticks, the zero-emissions racer will hit a UK track for test laps in September.
But while those initial shakedown laps will be under full electric power, it's unclear whether the setup fielded in the UK will survive until Le Mans. Nissan itself says that it will be testing a number of "electrified" drivetrains ahead of the 2014 24 Hours of Le Mans, which is a significant departure from race car design - usually, the teams know what's powering their car before they start building it.
"Just developing a single powertrain option in only 12 months would be a mammoth task but we're looking to carefully examine a number of options to ascertain which will be best suited for Le Mans," said Darren Cox, Nissan's global motorsport director. Take a look below for a video and press release from Nissan documenting the ZEOD RC's build process.

Autoblog Podcast #317

Mitsubishi Mirage, Toyota thinks of beefing up US production, Marchionne on Alfa, Dart and minivans, Ford Atlas concept, Honda Gear concept
Episode #317 of the Autoblog Podcast is here, and this week, Dan Roth, Jeff Ross and Michael Harley bookend the other podcast topics with a pair from the Montreal Auto Show, the Mitsubishi Mirage and Honda Gear concept, and in between we talk about Toyota building all its US-market cars stateside, Hyundai building a Nurburgring test facility, Sergio Marchionne's latest words about Alfa Romeo, Dodge Dart powertrains and the future of Chrysler vans. Some chatter about the Ford Atlas concept finishes up the meat of the 'cast and then we wrap with your questions. For those of you who hung with us live on our UStream channel, thanks for taking the time. Keep reading for our Q&A module for you to scroll through and follow along, too. Thanks for listening!
Autoblog Podcast #317: