article thumbnail

Toyota and Denso develop SiC power semiconductor for power control units; targeting 10% improvement in hybrid fuel efficiency

Green Car Congress

Toyota intends to leverage the benefits of high frequency and high efficiency of SiC power semiconductors to enable PCU downsizing of 80%. Toyota CRDL), has developed a silicon carbide (SiC) power semiconductor for use in automotive power control units (PCUs). Right :PCU with SiC power semiconductors (Future target).

Toyota 296
article thumbnail

Controlled Power Technologies Packages Its Switched Reluctance Systems in ‘RegEnBoost’ System for Enhanced Support for Downsizing

Green Car Congress

RegEnBoost integrates the three devices into a powertrain electrical power network (PEPN), which also incorporates a DC to DC converter and an enhanced lead acid battery, optimized for fast energy storage and release. Small engines can also be turbocharged to deliver comparable torque and power to a larger naturally aspirated engine.

article thumbnail

Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, the standards recently announced by the Obama Administration, while attainable, require downsizing and a shift in the fleet mix away from SUVs. Knittel, 2009.

article thumbnail

Acura unveils all-new electrified ARX-06 race car

Green Car Congress

The latest in a line of successful Acura endurance racing prototypes, the ARX-06 features Acura-specific bodywork and aerodynamics based around an all-new ORECA LMDh chassis which utilizes an electrified hybrid power unit featuring an equally new, bespoke twin-turbocharged direct injection 2.4-liter

Acura 293
article thumbnail

Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

Green Car Congress

In terms of carbon monoxide (CO) emissions during the operation of the vehicle, a significant improvement was achieved over the 2007 predecessor. Compared with the predecessor, primary energy savings of 8% (2013) and 25 percent (2007) are achieved over the entire life cycle. The new C-Class. l/100 km (31 mpg US and 31.8 l/100 km (36.8

Mercedes 252
article thumbnail

NRC report finds significant number of near-term technologies could greatly reduce fuel consumption in passenger cars

Green Car Congress

Because of the flexibility offered by this approach, and given the size of the SI engine-powered fleet, the implementation of SI engine technologies will continue to play a large role in reducing fuel consumption. Turbocharging and downsizing can also yield fuel consumption reductions.

Fuel 210
article thumbnail

CPT VTES Electric Supercharger Selected for Two Projects

Green Car Congress

Controlled Power Technologies’ VTES (Variable Torque Enhancement System) electric supercharger ( earlier post ) is being incorporated in a project by engine developer AVL ( earlier post ) and will also feature in the Ricardo-led £3 million (US$5-million) HyBoost program announced by the Technology Strategy Board on 9 September ( earlier post ).