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  • Gbg/100203 / Agenda Derek Crabb Foto: Roger Lundsten BLR-Fotograferna AB Kroksl?tts fabriker 17 431 37 M?lndal

Volvo is introducing a new engine family based on its new Drive-E philosophy, which encompasses "all innovations made to reduce the impact on the environment," the automaker says. Less cylinders allows for less environmental impact, so the new engines are all four-pots. They also were designed to pair easily with Volvo's upcoming hybrid drive system, which "will reach power figures in the V8 territory" and play a "dominant part of the top end of [Volvo's] range," says Derek Crabb, Vice President Powertrain Engineering. Volvo also says we can expect "power curves that give exciting drivability compared with engines with more cylinders."

Volvo says some versions of the engine were designed targeting best-in-class fuel economy. There are both gasoline and diesel options, but the latter of which isn't scheduled for US consumption. Instead, the US will be offered two states of tune of the gasoline Drive-E engine for front-wheel-drive vehicles. Some of Volvo's current all-wheel-drive powertrains will remain available in the US until the company has transitioned solely to the new, fuel-efficient inline-fours.

The two levels of tune to be offered are T6 and T5. The T6 is turbocharged and supercharged with 302 horsepower and 295 pound-feet of torque. The T5 is turbocharged only and has 240 hp and 258 lb-ft. They're between 13 percent and 26 percent more efficient than Volvo's current offerings, and they're smaller and lighter as well. Volvo says that a high-performance Drive-E engine is lighter "by nearly 100 pounds," but doesn't specify what it is being compared to. Drive-E engines will be paired with a new eight-speed automatic transmission, have friction reduction measures (we like the fully electric and variable-speed water pump) and feature stop-start and brake regeneration technologies.

The inline-fours are part of a $11 billion, multi-year investment by Volvo that includes engine development, Scalable Product Architecture and infrastructure and facility upgrades aimed at keeping the automaker technologically independent. Take a look at the press release below for more detailed information on the new engine family.

Show full PR text
Exciting drivability, targeted best-in-class fuel economy and production flexibility among solutions offered through new Volvo-developed engine family soon making its way to U.S. shores

ROCKLEIGH, N.J. (Aug. 16, 2013) -- With the introduction of its new, innovative engine family, Volvo Cars ushers in a wave of transformational change. Its Drive-E powertrains are developed in-house at Volvo's R&D department in Sweden -- targeting best-in-class combined fuel economy in some engine versions -- and signal an important part of the company's strategy for advancement.

Significant investments in preparation for the new engine family were made in Sweden. Overall, an $11 billion, multi-year push -- including engine development, Volvo's future Scalable Product Architecture, and other infrastructure and facilities upgrades - is directly aimed at transforming Volvo's future toward increased competitiveness and technological independence.

"The launch of our new Drive-E powertrains is an important step in Volvo's product investment plan that will result in a stronger, more competitive position in the marketplace," said Volvo Cars of North America President and CEO John Maloney. "A great deal of research went into learning how our customers drive and these highly efficient, low-emission engines were designed to provide greater customer choice while retaining the performance attributes our customers expect."

Drive-E is also Volvo's name for all innovations made to reduce the impact on the environment. The moniker encompasses everything from a sustainable, efficient and clean manufacturing process, along with the use of recyclable materials, to efficient and low-emission powertrains - without compromising performance.

Powertrains Deliver Efficient Power

Drive-E powertrains efficiently deliver what was once only thought possible with six or eight cylinders. Those possibilities further expand when the new engines are teamed with electrification, producing vehicles, such as plug-in hybrids with outstanding range.

"We have created smaller, more intelligent engines with power curves that give exciting drivability compared with engines with more cylinders, yet deliver the fuel economy of only four cylinders. In addition, by adding electrification such as plug-in hybrid technology, we will reach power figures in the V8 territory," said Derek Crabb, Vice President Powertrain Engineering at Volvo Car Group.

The smaller, lighter engines-by nearly 100 pounds on the higher performance engine -- also offer considerably lower emissions and higher fuel economy savings -- ranging from 13 to 26 percent depending on the engine to which they are compared. Specific fuel economy numbers will become available shortly before cars with Drive-E powertrains reach retail outlets early next year.

Drive-E Powertrains Offer Range

Globally, the complete Drive-E engine range, formerly called Volvo Engine Architecture (VEA) during its development, consists of two four-cylinder engines, one common rail diesel and one direct-injected gasoline version. They replace eight engine architectures on three platforms. Both the diesel and the gasoline versions share the same architecture.

Two levels of forced induction open up the flexibility to cover the whole range, from fuel-efficient derivatives to high-power and torque variants. In order to meet customer requirements, some engines will also gain added performance via electrification or other spearhead technology.

Two gasoline Drive-E engines will be offered in the United States, a 240-horsepower version and a higher performance 302-horsepower version. In the United States, Volvo will continue to offer its current lineup of AWD powertrains, along with Drive-E. As a result, U.S. customers can choose between the new engines and some current engines until Volvo transitions solely to Drive-E.

Drive-E Powertrain Range:

T6: 4 cylinders: 2.0 Liter Turbocharged and supercharged: 302 HP 295 pound-feet: FWD
T5: 4 cylinders: 2.0 Liter Turbocharged: 240 HP 258 pound-feet: FWD

Technical Features

The new engine family reflects thoughtful design features to maximize the engine's efficiency, as well as provide dynamic drivability and performance. Drive-E powertrains offer many technical features:

- Friction reduction: Friction-reduction measures have been employed throughout the engine, including ball bearings on the camshaft, high-speed continuous variable valve timing and intelligent heat management with a fully variable electric water pump.
- Start-Stop and Brake Regeneration: All Drive-E engines feature start-stop and brake regeneration. The technology uses brake pressure measurement to trigger when to stop and start the engine. The start/stop system is programmed to shut down the engine immediately when the car reaches a standstill. An electric pump keeps oil pressure up in the automatic gearbox while the engine is stopped. The system also includes an improved starter engine.
- Turbo Only or Turbo and Supercharger: Using the supercharger to boost the low end torque gives the gasoline 302-horsepower T6 engine a big, naturally aspirated feel. The mechanically linked compressor starts to function immediately at low revs, while the turbocharger kicks in when the airflow builds up.
- Eight-speed gearbox: To deliver the desired responsive, smooth and fuel-efficient drivability, the engines are teamed either with a new eight-speed automatic gearbox tuned for improved efficiency. "Think of it like having more gears on a bicycle -- you get more chance to operate it efficiently depending on the road conditions. With our new gearbox you get a bigger ratio spread - in essence it gives you better chance of getting good fuel economy from the engine," said Crabb.

Prepared for Electrification in the Future

The Drive-E engines are prepared for future electrification from the start. Key components, such as the integrated starter generator, can be connected easily -- and the compact size of the four-cylinder engines means that the electric motor can be fitted in the front or rear of the vehicle. The battery pack will be located in the center of the car.

"A four-cylinder, transversely mounted engine is a way of building up for an electrified future," said Crabb. "Hybrids are definitely going to be a dominant part of the top end of our range."

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