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BMW reveals M4 safety car with innovating water injection system [w/video]

Racing series don't just pick their safety cars at random, or use just whatever car is lying around. These days the car that sets the pace at the front of the pack is typically provided through consideration by a sponsor. In the MotoGP series, that's BMW and its M division, which have served up the Official Car of MotoGP since 1999. What you're looking at is the latest, and it packs some innovative technology on board. Aside from the matte black wrap with BMW's iconic striped livery, upgraded aero kit, retrofitted interior and emergency equipment, this BMW M4 coupe packs a new injection system under the hood. Only instead of injecting fuel, it injects water into the combustion chamber – something that wouldn't usually be recommended, but BMW insists actually aids in the combustion process. The idea is that the temperature of the air being mixed with the fuel inside the engine is usually hotter than ideal, so the system injects a fine mist of water into the collector in order to reduce the air's temperature... sort of like one of those hydrating misters at an amusement park or outdoor mall, but in an even hotter environment. The system brings the temperature of the air down to a more optimal temperature, helping it combust better. The process is said to yield a number of positive effects. For one, it reduces knocking. For another, it can make more out of lower-octane fuel where higher octane isn't available. It also can control the adverse effects of higher ambient temperature on the combustion process. But most of all, it increases output and reduce fuel consumption by around eight percent. Whether that eight percent is worth the added weight of the system – particularly with water pump and a 1.3-gallon tank in the trunk – is up for debate. But we'd imagine that the Bavarian engineers have weighed very carefully. Of course there's also the matter of refilling the water tank, which BMW says would be carried out whenever the safety car is refueled, but in real-world conditions would only necessitate attention once every five top-ups at the gas station. By now you might have guessed that BMW probably didn't develop this system just for the MotoGP safety car, and isn't planning on keeping it confined to the racetrack. Instead it's being tested and demonstrated on the safety car before being rolled out on production models in the future.

AC Schnitzer packs 400-hp, tri-turbo diesel into 1 Series

At first blush, this might look like your run-of-the-mill BMW 1 Series, maybe with a few modifications. What you're actually looking at is a monster hot hatch with 400 horsepower and 590 lb-ft of torque. From a diesel. For this year's Essen Motor Show – Germany's equivalent to SEMA – the Bimmer specialists at AC Schnitzer prepared the ACS1 5.0d concept you see here. Its selling point (if only it were for sale) is the combination of BMW's most powerful diesel engine and its smallest model. It utilizes the 3.0-liter triple-turbocharged inline-six diesel engine from the M50d versions of the 5 Series, X5, and X6 sold in Europe. That engine is normally rated at 376 hp and 545 lb-ft, which is already a ton of muscle. But Schnitzer has bumped up the output on both counts, and slotted it into a 1 Series hatchback. The result is a 0-62 time of just 4.5 seconds, leaving the M135i and M235i in a cloud of diesel soot. Of course, Schnitzer has plenty more to showcase at Essen this year, including modifications for the 3 Series, X6 M, and Mini JCW. And you can bet all the other major European tuners will be on hand at the expo to show their wares, too. But as far as outlandish creations go, this monster diesel hot hatch is what's caught our attention. Compact and incredibly powerful The 1-series by AC Schnitzer with impressive motorsport quality At first sight, you do not expect brute force from the BMW 1-series. So the performance of the compact Bavarian after the AC Schnitzer tuning experts have equipped it with the M50d power plant and impressive performance upgrade, is even more incredible. Originally designed for the 5-series, the "Diesel M-Technik" pack propels the 1-series a long way forward. The smallest BMW series now has an impressive drive concept from AC Schnitzer. After the performance upgrade, the concept engine of the ACS1 5.0d delivers 294 kW/400 hp and 800 Nm torque for generous thrust. Equipped in this way, it takes just 4.5 seconds to sprint from 0-100 km/h. The acceleration from 80-180 km/h is even more impressive: the ACS1 5.0d takes just 7.9 second for this. The smallest of the compacts, the 114i, is already impressive thanks to a power increase by 52 hp to 154 hp. The four-cylinder petrol engine of the 116i, thanks to motorsport technology, now delivers 204 hp instead of 136 hp. The same figure is also achieved by the 118i, which previously had 170 horses under the bonnet.

Recharge Wrap-up: BMW's electric truck, London's electric double-decker bus

BMW and transport and logistics company Scherm Group have put an electric transport truck into service in Munich, Germany. The 40-ton truck, made by Dutch manufacturer Terberg, will be used to move vehicle components between BMW's Munich plant and Scherm's logistics center cleanly and quietly on public roads. Using the electric vehicle saves 11.8 tons of CO2 per year. It charges in about four hours, and has a range of about 62 miles — enough to make the trip between the two facilities eight times a day. The truck will be powered completely by electricity from renewable sources. With this project, BMW "is showing that you can succeed on the global market with sustainable products made by innovative companies," says Bavaria's Minister for Economic Affairs, Ilse Aigner. Read more in the press release below. Discount supermarket chain Aldi is offering free charging in Germany. The company has installed fast-charging stations at 50 locations for customers to use while they shop. IKEA also has plans to install free charging at its stores in Germany, and other retailers will likely do the same. While offering free e-juice helps businesses garner the attention of its EV-driving customers, it could also help encourage people to buy electric vehicles. Many are disappointed by Germany's lack of EV incentives, despite the country's goal of having 1 million EVs in operation by 2020. Read more at Automotive News Europe. London will put an all-electric double-decker bus into service this year. London Mayor Boris Johnson announced the electric bus trial at the first ever Clean Bus Summit. The bus, made by BYD, will begin service in October. London has already deployed over 1,300 hybrid buses and retrofitted over 1,400 buses to reduce emissions since 2008. Mayor Johnson's goal is to cut buses' NOx emissions in half by the end of his term in 2016 compared to 2008 levels. Also at the Clean Bus Summit, a number of bus makers and banks committed to helping cities roll out fleets of ultra-low emission buses. Read more in the press release from London, and from BYD. The US Department of Energy (DOE) is funding biofuel projects to the tune of $18 million. The DOE will award the funds to six projects in an effort to reduce the price of algae-based biofuels to less than $5 per gasoline gallon equivalent (gge). The DOE has a goal to get the price of algal biofuels to less than $3 per gge by 2030.