article thumbnail

Penn State, EC Power use internal thermal modulation to enable stable fast charging

Green Car Congress

A team from Penn State University and start-up EC Power has developed a material-agnostic technology based on asymmetric temperature modulation with a thermally stable dual-salt electrolyte to achieve stable fast charging for Li-ion batteries. Credit: EC Power. In a paper in Nature , the team reports charging of a 265?Wh?kg

article thumbnail

Simulation study finds “Millerizing” the Scuderi split-cycle engine could enable 50% engine downsizing with retention of power and torque, along with reduced fuel consumption

Green Car Congress

Simulation study finds Miller version of Scuderi engine can deliver twice the BMEP as naturally aspirated version, theoretically enabling 50% downsizing while maintaining performance. Applying the Miller cycle to the Scuderi engine (right) entails downsizing of the compression cylinder. Source: Scuderi. Click to enlarge.

article thumbnail

EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

Green Car Congress

This trend of increasing demand for higher octane gasoline is likely driven by changes in fuel requirements for light-duty vehicles (LDV) in response to increasing fuel economy standards, which will have widespread implications for future gasoline markets, according to EIA analysts. of new gasoline-fueled LDV sales. of the market.

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

Volvo introducing new downsized 4-cylinder engine range, with fuel economy improvements up to 35%; hybrid and flywheel drive systems

Green Car Congress

The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. It covers the range from high-power and -torque variants to fuel-efficient derivatives. Modularity and compact transverse design are also ideal for future electrification developments.

article thumbnail

Valeo acquires electric supercharger business from Controlled Power

Green Car Congress

As part of its strategy of developing solutions to reduce CO 2 emissions, Valeo has acquired the Variable Torque Enhancement System (VTES) ( earlier post ) business of UK automotive technology development company Controlled Power Technologies (CPT). VTES will be integrated into Valeo’s Powertrain Systems Business Group with immediate effect.

Power 326
article thumbnail

Aeristech introduces new 20 kW motor for internal combustion and fuel cell compressor applications

Green Car Congress

Aeristech, the UK-based developer of power-dense and efficient high-speed electric motors for applications including super- and turbo-chargers and fuel-cell compressors, has introduced a new 20 kW motor. MAHLE has used Aeristech’s existing technology within the powertrain of its advanced downsizing demonstrator vehicle.