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UQM Technologies and Kinetics Drive Solutions collaborate on electric drive systems for all-electric commercial vehicles

23 April 2014

EV3-850 combined with PowerPhase HD220. Click to enlarge.

UQM Technologies Inc. and Kinetics Drive Solutions Inc. are collaborating to offer an integrated electric motor and multi-speed transmission system for commercial vehicle applications that will benefit from a full system approach. This system is engineered to provide commercial vehicle manufacturers with an efficient electric drive powertrain while minimizing the development time for integration.

Advantages for customers will be a fully integrated and calibrated system that allows quicker time to market and reduced development time and cost, as well as fewer engineering variables. Systems will feature UQM PowerPhase HD electric motors and controllers combined with Kinetics NexDrive transmissions.

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Toyota Central R&D developing free-piston engine linear generator; envisioning multi-FPEG units for electric drive vehicles

22 April 2014

Toyota’s FPEG features a hollow step-shaped piston, combustion chamber and gas spring chamber. Click to enlarge.

A team at Toyota Central R&D Labs Inc. is developing a prototype 10 kW Free Piston Engine Linear Generator (FPEG) featuring a thin and compact build, high efficiency and high fuel flexibility. Toyota envisions that a pair of such units (20 kW) would enable B/C-segment electric drive vehicles to cruise at 120 km/h (75 mph). The team presented two papers on the state of their work at the recent SAE 2014 World Congress in Detroit.

The FPEG consists of a two-stroke combustion chamber, a linear generator and a gas spring chamber. The piston is moved by the combustion gas, while magnets attached to the piston move within a linear coil, thereby converting kinetic energy to electrical energy. The main structural feature of the Toyota FPEG is a hollow circular step-shaped piston, which Toyota calls “W-shape”. The smaller-diameter side of the piston constitutes a combustion chamber, and the larger-diameter side constitutes a gas spring chamber.

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Oak Ridge researchers pursuing in-cylinder reforming for control of advanced combustion

21 April 2014

Researchers at Oak Ridge National Laboratory are pursuing investigations into the use of a non-catalytic in-cylinder reforming process—i.e., the conversion of liquid hydrocarbon fuel to a hydrogen- and CO-rich syngas—potentially for controlling combustion phasing in homogeneous charge compression ignition (HCCI) and other forms of advanced combustion.

When fuel is injected during negative valve overlap (NVO) in O2-deficient conditions, a portion of the fuel is reformed to products containing H2 and CO. In a paper presented at the recent SAE 2014 World Congress, the ORNL team and colleague from Sandia National Laboratories reported on the chemistry of an NVO in-cylinder reforming process as experimentally determined from a single-cylinder engine. The Oak Ridge team plans to pursue the in-cylinder reforming technique in a multi-cylinder configuration in which one of the engine cylinders would act as the reformer, “essentially breathing in reverse compared to the other cylinders (breathing in from the exhaust manifold and exhausting into the intake system).”

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Daimler-BYD JV unveils battery-electric DENZA at Auto China; 47.5 kWh pack; focus on safety

21 April 2014

DENZA. Click to enlarge.

Shenzhen BYD Daimler New Technology Co., Ltd. (BDNT) officially unveiled its DENZA all-electric vehicle at Auto China 2014, in Beijing. The world premiere of the serial production model is the culmination of cooperative efforts at the 50:50 R&D technology joint venture established by Daimler and BYD back in 2010—the first Sino-German joint venture dedicated to an all-electric vehicle in China. (Earlier post.)

DENZA is powered by an 86 kW (peak) motor that provides a maximum speed of up to 150 km/h (93 mph) and peak torque of 290 N·m. With 47.5 kWh lithium iron phosphate battery capacity, DENZA has a range of up to 300 km (186 miles). In light of the fact that the average daily driving distance in China is 50 to 80 kilometers a day, the typical customer will only have to recharge DENZA twice a week. Driving 100 km with a DENZA costs less than 20 RMB (US$3.20).

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Study finds removing corn residue for biofuel production can decrease soil organic carbon and increase CO2 emissions; may miss mandated 60% GHG reduction

21 April 2014

Contribution of modeled CO2 emissions from SOC to the life cycle of biofuel from corn residue. Error bars are ± one standard deviation. Liska et al. Click to enlarge.

Using corn crop residue to make ethanol and other biofuels reduces soil carbon and under some conditions can generate more greenhouse gases than gasoline, according to a major, multi-year study by a University of Nebraska-Lincoln team of researchers published in the journal Nature Climate Change. The findings cast doubt on whether biofuels produced from corn residue can be used to meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions 60% compared to gasoline.

The study, led by assistant professor Adam Liska, was funded through a three-year, $500,000-grant from the US Department of Energy, and used carbon dioxide measurements taken from 2001 to 2010 to validate a soil carbon model that was built using data from 36 field studies across North America, Europe, Africa and Asia. Using USDA soil maps and crop yields, they extrapolated potential carbon dioxide emissions across 580 million 30-meter by 30-meter geospatial cells in Corn Belt states.

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Siemens and BAIC form JV to produce high efficiency electric powertrain systems for NEVs

21 April 2014

Siemens AG and Beijing Automotive Industry Holding Co., Ltd. (BAIC), one of the major Chinese carmakers, signed a joint venture agreement at the 2014 Beijing International Automotive Exhibition and outlined their plan to utilize Siemens’ electric drive train components in a range of BAIC new energy vehicles (NEVs).

The JV, Beijing Siemens Automotive E-Drive System Co., Ltd., will manufacture components for the electric drivetrain including power-electronics and electric motors. The new electric drivetrains consist of a safer and higher power density inverters and highly energy efficient motors. Prototype and small volume production will start in 2014, followed by mass production in a new Beijing-based factory in 2015. The production volume is planned to be more than 100,000 units per year with upside potential.

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New Toyota TS040 HYBRIDs take 1st and 2nd at Six Hours of Silverstone in UK; new Porsche 919 Hybrid takes 3rd

21 April 2014

Toyota Racing scored a one-two finish (#8 taking first, #7 second) from pole position in the Six Hours of Silverstone with its new TS040 HYBRIDs (earlier post) in a the first race of the 2014 FIA World Endurance Championship season. Porsche’s new 919 Hybrid with two energy recovery systems (earlier post) posted a third its in its first race.

Track conditions varied from completely dry to torrential rain, which ultimately saw the race red flagged less than 30 minutes before the checkered flag. Rain initially came around the 40-minute mark. Both Toyota cars pitted for new tires, the #7 taking wets and the #8 taking hybrid intermediates. With the rain soon easing, hybrid intermediate tires proved the most effective.

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GM’s China JVs investing $12B between 2014-2017 to expand; GM outlines China market trends

21 April 2014

In conjunction with the start of Auto China 2014 in Beijing, GM China President Matt Tsien announced that GM’s China joint ventures will make capital expenditures of about $12 billion between 2014 and 2017. That investment will help GM step up its pace by funding facility and capacity expansion and new product programs. China has been GM’s largest market since 2010, last year accounting for about one-third of its global sales.

Some of the $12 billion investment will fund the launch of more than 60 new and upgraded vehicles coming to market through 2018. GM’s focus will be on answering the growing demand for luxury vehicles, SUVs, multi-purpose vehicles (MPVs) and smaller passenger cars.

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Lexus introduces new NX compact crossover and hybrid; first twin scroll turbocharger in lineup

20 April 2014

2015 Lexus NX 300h. Click to enlarge.

Lexus introduced the NX compact crossover and hybrid at the 2014 Beijing International Automotive Exhibition. (Earlier post.) The all-new NX is Lexus’ first entry into the luxury compact crossover segment.

The Lexus NX compact crossover offers the brand’s first gasoline turbo engine in the NX 200t. The 2.0L NX 200t turbo will balance fuel economy with responsive acceleration and agility and will be available in the US market along with the NX 300h hybrid. The availability of NX model range, including the NX 200 with a naturally aspirated engine, will vary by market.

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Volkswagen Group launching major electro-mobility campaign in China; $25B on new vehicles, technologies and plants up to 2018

20 April 2014

The Volkswagen Group is launching a major electro-mobility campaign in China—the the biggest initiative for e-mobility in China’s automotive history, said Prof. Dr. Martin Winterkorn, CEO of Volkswagen AG, on the eve of the Auto China motor show in Beijing. The initiative gets underway with the launch this year of the Volkswagen brand’s battery-electric e-up! (earlier post) and e-Golf (earlier post) models.

The Porsche Panamera S E-hybrid plug-in hybrid (earlier post) is already in the showrooms in China; the Group will launch two further plug-in hybrid vehicles there next year with the Audi A3 e-tron (earlier post) and the Golf GTE (earlier post). Starting in 2016, this will be followed by two models developed specially for the Chinese market: These are the Audi A6 (earlier post) and a new mid-size limousine from the Volkswagen brand, both plug-in hybrids which are being developed together with the joint venture partners FAW Volkswagen and Shanghai Volkswagen and will be produced locally.

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Audi presents plug-in hybrid TT offroad concept car at Beijing; wireless charging

19 April 2014

Audi TT offroad concept. Click to enlarge.

Audi is presenting an Audi TT offroad concept at the Beijing International Automobile Exhibition. Like many of the brand's new production models, the Audi TT offroad concept is also based on the versatile modular transverse matrix (MQB). The TT concept features a plug-in hybrid drive with two electric motors and a system output of 300 kW (408 hp) and 650 N·m (479 lb‑ft) of system torque.

The show car accelerates from 0 to 100 km/h (62 mph) in 5.2 seconds and reaches an electronically governed top speed of 250 km/h (155 mph). Fuel consumption is 1.9 liters per 100 kilometers (123.8 mpg US), a CO2 equivalent of 45 grams per kilometer (72.4 g/mile). The Audi TT offroad concept can drive more than 50 kilometers (31.1 miles) solely on electric power, and has a total range of up to 880 kilometers (546.8 miles).

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IHS: Renesas maintains dominance in $26.7B automotive semiconductor market

18 April 2014

Renesas remained the leader in the automotive semiconductor market in 2013, with the company’s dominance in microcomponents and logic integrated circuits (IC) helping it to hold a half-billion-dollar gap over the second-place competitor, according to analysis by IHS Technology. Japan-based Renesas posted automotive semiconductor revenue of $2.9 billion last year, giving the company a market share of 11%. This compares to $2.4 billion in revenue and 9% share for the Nº 2 contender, Infineon of Germany, allowing Renesas to maintain the leading position it held in 2012.

Although the IHS ranking shows Renesas experienced a 14% decline in revenue for the year, the drop was entirely driven by a fluctuation in the exchange rate between the Japanese yen and the US dollar. When measured in terms of its native yen, Renesas’ automotive semiconductor revenue actually rose by about 5% in 2013 compared to 2012, according to IHS. The overall automotive semiconductor market expanded by 5% in 2013, according to IHS. Market revenue last year rose to $26.7 billion in 2013, up from $25.4 billion in 2012.

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