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Race Recap: 2013 Griffin King of the Hammers, and notes from a dry lake bed [w/video]

It was a local guy from 90 miles away who beat them all...
The image above shows 129 Ultra4 racing rigs lined up for the start of the 2013 Griffin King of the Hammers. In case you missed Part One that explains why they're there and why they might be doing the most difficult and absurd one-day off-road race in the world, check it out. After a week of races in other events and two days of qualifying for the big show, the men and women who made it in were lined up to do three laps of a course around the 140,000-acre Johnson Valley OHV area in California's San Bernardino County.

Audi reveals even more efficient 2015 R18 E-Tron Quattro

We've seen two of this year's LMP1 manufacturer challengers – Porsche's updated 919 Hybrid and Nissan's GT-R LM Nismo. Audi has finished cooking up the successor to its Le Mans champion and unveiled the fifth-generation R18 E-Tron Quattro, even better than before. The bodywork monocoque is carried over, but the body around it has been reshaped to improve airflow from front to rear with a new hood, front fenders and wheel arches, and radiator configuration. The engine cover behind the cockpit is shrunk more closely around the engine, and there are new headlights. The hybrid system can expend double the energy per lap this year, putting Audi in the four-megajoule class under the energy-use regulations. That extra energy will come from 17-percent more capacity built into the flywheel storage system and an electric motor good for 272 horsepower. The revisions haven't increased the weight of the car, pegged to the minimum allowed at 870 kilograms. They have, however, forced changes to the TDI engine, which has to use 2.5-percent less fuel per lap to offset the increased hybrid output. The 558-hp V6 has been optimized such that it "managed to more than compensate for the loss" of fuel allowed, and Audi expects "significantly" lower lap times this year and less fuel used. We're still waiting to see what Toyota has done to its World Endurance Championship-winning racer, but we're already looking forward to this year's Le Mans. It's going to be cracking. You'll find a press release below the videos with more info on the Audi. Related Video: New Audi R18 e-tron quattro even more efficient - Aerodynamics, hybrid drive and many other details improved - Efficient TDI engine consumes even less fuel than before - Technologies from Le Mans winning cars now in production at Audi Ingolstadt, March 21, 2015 – Audi is starting the 2015 season with a thoroughly revised R18 e-tron quattro. In the FIA World Endurance Championship (WEC) and in the Le Mans 24 Hours as the season's pinnacle event, Audi is going to compete with a hybrid sports car in the 4-megajoule class. A twofold quantity of hybrid energy, fundamentally revised aerodynamics, the next step in lightweight design and a lot of detailed work characterize the fifth generation of the Audi R18. "The possibilities of the revolutionary regulations that have been in effect for LMP sports cars since 2014 are far from having been fully used.

Audi E-Tron vs. Jaguar I-Pace and Tesla Model X: How they compare on paper

The all-electric crossover segment is suddenly heating up. Tesla was first to market with its Model X, and the California-based automaker has a several-year head start on the rest of the field. But now it has competition, with the Jaguar I-Pace already hitting dealerships across the globe and the just-announced Audi E-Tron hot on their heels. We decided to see how Audi's new entrant compares with its British and American rivals, so we downloaded their spec sheets (at least those that are available) and dumped them all into the spreadsheet you see below. As you'll soon find out, there are lots of similarities between these three electric crossovers, but each has a unique selling point or two with which to entice buyers. View 24 Photos Performance Note that we're using the Tesla Model X 75D for this comparison, since that's the model that is closest in price to the Jaguar and Audi entries. If you really want the fastest and most powerful electric CUV available, you're going to want to look at Tesla's ludicrous P100D model, but you'd better be willing to just about double the price you see in the chart above. With that out of the way, these particular electric crossovers are all pretty quick. The Jaguar boasts the quickest 0-60 time, but in the real world, that half-second advantage over the 75D won't amount to much. The Audi is a full second behind the Jaguar, and a little over a half second slower to 60 than the Tesla. A 5.5-second 0-60 time, though, still means the E-Tron will be able to squirt away from traffic lights quicker than the rest of the morning commuters. As far as battery capacity, Audi leads the way with 95 kWh, which is 5 more than the Jag and a whopping 20 more than the Tesla. Until we get estimated range figures, though, we won't know what the extra capacity means in the real world. In other words, stay tuned. View 74 Photos Exterior and interior dimensions The Jaguar is the smallest of these three 'utes, inside and out. The Tesla Model X is the largest. Does that make the Audi just right? Maybe, but only if you don't need a third row — the Model X is the only one of this trio that offers seating for six or seven passengers (depending on whether the buyer opts for a second-row bench or individual chairs). A smaller size may be a boon for drivers who often have to fit into tight spaces, but those slinky dimensions mean the Jaguar's cargo capacity is well behind that of the Audi and not even close to the cavernous Tesla. Tesla Motors Inc.