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

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

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

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 ).

article thumbnail

Honda leverages older name for new FCV: Clarity Fuel Cell makes its debut at Tokyo; 435-mile range on JC08

Green Car Congress

The name honors its predecessor, the FCX Clarity fuel cell vehicle, introduced at the LA Auto Show in 2007. Employing original Honda technologies, the fuel cell stack for this model was downsized by 33% compared to the previous version of the fuel cell stack yet delivers output of more than 100 kW, with an output density of 3.1

Honda 150
article thumbnail

Toyota continues prepare the market for fuel cell vehicle in 2015

Green Car Congress

Re-emphasizing the general technology points that have emerged over the past few months at different events while adding a bit more detail, Yoshikazu Tanaka, Product General Manager of the Product Planning Group, said at the Geneva show that Toyota’s current fuel cell (FC) system features an output power density of 3.0 Click to enlarge.

2015 274
article thumbnail

UK Technology Strategy Board Awards More Than 12M to 22 Projects to Speed Up Development of Low-Carbon Technology for Vehicles; Includes Gas Turbine Range Extender and Li-S Battery Cells

Green Car Congress

The aim of this project is to develop an ultra-lightweight, gas turbine powered, electric vehicle range extender that will enable vehicle weight savings of 100 kg or more and a modest reduction in CO 2 emissions on the UNECE101 drive cycle. BladeBoost - A Novel Rotary Supercharger for Ultra-Efficient Downsized Gasoline Engines.

Carbon 225