EPA to ease emission limits, reports say, setting up clash with California

Green Car Reports

The omens have been accumulating for months, as bits of information dribble out of the regulatory rumor mill in Washington, D.C. EPA plans to modify exhaust emission limits for vehicles in model years 2022 through 2025. Now we have the most concrete reports yet that the U.S. The EPA delivered its draft Final Determination document to the Office of. emissions Politics EPA California California Air Resources Board CARB carbon dioxide regulation state laws Donald Trump

2018 59

Volvo Trucks presents second electric truck model in three weeks: Volvo FE Electric

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Two different charging systems are available: CCS2 with maximum charge power of 150 kW DC, and a low power charging option with maximum charge power of 22 kW AC.

2018 113

Trending Sources

Volvo Trucks introduces its first electric truck for commercial use; sales and production start next year

Green Car Congress

AC charging is via the mains grid (22 kW) or DC fast charge via CCS/Combo2 for up to 150 kW. From empty to fully charged batteries takes 1-2 hours with DC fast charging; night charge can take up to 10 hours (AC charging) with maximum battery capacity of 300 kWh.

2018 129

New 2019 Toyota Avalon hybrid boosts fuel economy 10% to 44 mpg combined

Green Car Congress

inches) and high compression ratio (14:1); multi-hole direct fuel injectors; a variable cooling system; cooled Exhaust Gas Recirculation (EGR) system; and a full variable oil pump.

2018 90

TDK and Toshiba establish JV for automotive inverters for HEVs, PHEVs, EVs

Green Car Congress

Many countries propose to impose more stringent regulation of automobile exhaust emissions in 2020 and after, in an effort to prevent air pollution and global warming. TDK offers a lineup of products, such as DC-DC converters, on board chargers and wireless power transfer systems that are currently being developed. The DC-DC converter in particular utilizes the magnetic material technologies that are the strength of TDK.

2016 65

KSPG awarded $342M in contracts for new compact EGR valve

Green Car Congress

Pierburg GmbH, a member of the KSPG Group, has been awarded contracts worth a lifetime total of €250 million (US$342 million) for a newly developed compact exhaust-gas recirculation valve. The cEM EGR valve serves to precisely control the recirculated mass of exhaust gases.

2014 78

TNGA-based 2019 Toyota Avalon features new hybrid system

Green Car Congress

The VVT-iW system is employed on the intake cycle, with VVT-i (Variable Valve Timing - Intelligent) activated on exhaust. inches) and high compression ratio (14:1); multi-hole direct fuel injectors; a variable cooling system; cooled Exhaust Gas Recirculation (EGR) system; and a full variable oil pump. The PCU’s DC-DC converter—which converts a direct current from one voltage level to another—is optimized to reduce overall power consumption.

2018 75

Continental introduces electric Active Purge Pump (APP) to meet stricter hydrocarbon evaporation legislation around the globe

Green Car Congress

The pump used for this action is a very compact and light-weight radial pump, driven by a highly efficient brushless DC motor. —Stefan Grüneis, product manager for Continental exhaust and and emissions actuators.

2017 78

Alphabet Energy introduces PowerModules for modular thermoelectric waste heat recovery; partnership with Borla for heavy-duty trucks

Green Car Congress

The company also announced it will partner with Borla jointly to develop and to commercialize a next-generation-exhaust system incorporating PowerModules, with the goal of delivering significant fuel savings for commercial fleet truck fleets.

2015 85

Ford Conducts Design of Experiment Investigating Thermoelectric Energy Regeneration

Green Car Congress

Conceptual schematic of direct thermoelectric generator mounted in a vehicle’s exhaust stream. The exhaust energy content of Atkinson-cycle engines, which are used in many hybrid powertrains, is lower than conventional IC engines due to the cycle’s inherently higher thermal efficiency.

2009 78

Silicon Mobility introduces OLEA T222 for hybrid and electric powertrain control

Green Car Congress

Furthermore, OLEA T222 technologies and feature set address other applications; it can also serve as a controller for battery management systems (BMS), exhaust or selective catalytic reduction systems (SCR), or even conventional internal combustion engines.

2016 95

Two Audi TDI technology studies with electric biturbo, 48V electrical systems; both technologies to go into series production

Green Car Congress

The electric biturbo system comprises a classic exhaust turbocharger (mono- or bi-turbo) working together with a supplemental, electric-powered compressor arranged in series and powered by a separate 48-volt electrical system. V6 TDI bi-turbo with electric compressor. Click to enlarge.

2014 109

EU investing >€3M in research into ultra-efficient aero engines; ULTIMATE project

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Core exhaust loss. The “Core exhaust” loss is primarily due to thermal energy lost to the surroundings, although some excess kinetic energy and fluid friction associated pressure losses contribute as well. Core exhaust loss.

2016 78

BorgWarner Electric Butterfly EGR Valve to Debut with Diesel Engine OEM in 2010

Green Car Congress

BorgWarner is introducing an electric butterfly EGR (exhaust gas recirculation) valve for diesel applications. Recirculating exhaust gas and combining it with an air and fuel mixture reduces the combustion temperatures that produce NO x emissions.

2009 78

2019 Ram drops weight, gains 48V eTorque mild hybrid system

Green Car Congress

The battery pack includes a 3-kilowatt DC-to-DC inverter to maintain the battery’s state of charge and convert 48 volts to 12 volts to power the Ram 1500’s accessories and charge its conventional 12-volt lead-acid battery. The exhaust manifolds are cast integral with the cylinder heads.

2018 95

Aura Systems and Cyclone Power Technologies partner for renewable power generation

Green Car Congress

Cyclone’s advanced external combustion engines are capable of converting recovered exhaust heat from industrial furnaces, biomass gasifiers and other waste sources into mechanical power. AuraGen units produce consistent rated power, at a wide range of engine speeds, as well as generating AC and DC power simultaneously in a variety of voltages. Aura Systems, Inc. and Cyclone Power Technologies, Inc.

Aura 60

Audi’s mild-hybrid systems: 12V for 4-cylinders, 48V for 6- and 8-cylinders

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The 12-volt system is connected to the main electrical system via a DC/DC converter. In this vehicle, the alternator still operates on a 12-volt basis, and a DC converter couples the 48-volt electrical subsystem.

2017 78

2018 Honda Accord Hybrid features third-generation MMD two-motor system; no heavy rare-earth metals in motors

Green Car Congress

Advances in engine control tuning together with other technologies combine to create excellent power characteristics, exceptional fuel efficiency and very low exhaust emissions. The 2018 Accord is the 10 th generation of Honda’s perennially best-selling midsize sedan.

2017 78

Kyocera, Osaka Gas, Aisin, Chofu and Toyota Motor complete co-development of SOFC residential co-gen system; on sale in April

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The inverter converts DC generated by the cell stack into AC. The hot-water storage tank stores heat exhausted from the power generator as hot-water. Kyocera Corporation, Osaka Gas Co., Aisin Seiki Co., Chofu Seisakusho Co.,

2012 78

Continental puts first 48V hybrid assist system into production with Renault diesels

Green Car Congress

The modular system from Continental also includes a DC/DC converter, which enables the 48-volt system to be connected to the vehicle’s on-board power supply. The technology is a particularly cost-efficient solution to reduce fuel consumption and exhaust emissions.

2016 98

Toyota’s new conventional and hybrid powertrains for 2018 Camry deliver significant boost in efficiency

Green Car Congress

The engine features VVT-iE on the intake side while utilizing VVT-i (Variable Valve Timing with intelligence) for the exhaust, a highly efficient compression ratio of 13:1 (14:1 for the hybrid version) for increased thermal efficiency and fuel efficiency and a bore and stroke measuring 3.44

2017 78

Mercedes-AMG Project One PHEV with F1 technology debuts at IAA; 750 kW, 800V

Green Car Congress

The exhaust gas and compressor turbines are separated from one another and located at an optimum position to the exhaust side and to the intake side of the V6 engine, and connected to one another by a shaft.

2017 78

Bombardier showing TRAXX AC Last Mile Locomotive

Green Car Congress

The locomotive complies with the exhaust standard stage IIIB. It is available in three electrical variants (for multi-system, AC and DC locomotives), as well as in a diesel-electric variant.

2013 78

Audi power-dense 2.5L TFSI engine with electric biturbo delivers 591 hp from 2,480 cc; 48V subsystem for the turbo

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starting from very low revs, the rise in boost pressure and therefore torque becomes gradually greater only as the exhaust energy increases. A DC/DC converter provides the connection to the 12‑volt electrical system.

2015 85

Ricardo to display functional integration prototype of ADEPT 48V “intelligent electrification” diesel

Green Car Congress

The supporting systems for electrical and vehicle integration include a 12V-48V DC-DC converter and a Ricardo hybrid supervisory controller. ADEPT schematic. Click to enlarge.

2014 78

Toyota anticipates 2016 Prius at 52 mpg combined, 56 mpg with Eco grade

Green Car Congress

An enhanced DC-DC boost converter contributes to enhanced fuel economy by reducing output current in low-load situations. On top of that, both the intake and exhaust systems are quieter than before.

2015 90

Gillig offering Vanner Hybrid Beltless Alternator as standard equipment on hybrid buses

Green Car Congress

The Vanner HBA uses DC Converter technology to replace the traditional. reduced exhaust emissions; stable DC power at all temperatures and speeds; and precise and maintenance-free. Vanner HBA. Click to enlarge.

2011 78

Cummins Demonstrates Solid Oxide Fuel Cell Auxiliary Power System

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Average net power produced over test period: 1,100W DC or 820W AC. The hybrid-configured APU provides both AC power and DC power to the truck’s hotel loads. The SOFC APU. Click to enlarge.

2010 78

BorgWarner supplies VTG Turbocharger and Torque-On-Demand transfer case for Great Wall Motors 2.0L diesel engine

Green Car Congress

The engine in the H5 also utilizes BorgWarner’s self-regulating glow plugs and exhaust gas recirculation (EGR) valves. In addition, a BorgWarner EGR valve with a brushless DC motor actuator delivers precise, responsive flow control combined with high flow capability and excellent sealing, enabling the engine to meet stricter emissions standards by allowing increased EGR rates.

2011 60

More Details on the Lexus CT 200h Hybrid Powertrain; 42 mpg US Combined

Green Car Congress

Combined with a cooled Exhaust Gas Recirculation (EGR) system, the adoption of the Atkinson Cycle offers significant gains in fuel efficiency and the reduction of emissions. As a result, the exhaust temperature is lower than that of conventional engines. 2011 Lexus CT 200h.

2010 78

Lexus NX compact utility arrives in North America

Green Car Congress

The new Lexus NX features numerous other firsts in a Lexus, among them: The all-new 2.0-liter turbocharged gasoline engine has a combination water-cooled cylinder head, integrated exhaust manifold and twin-scroll turbocharger. To minimize turbo lag, the four-into-two exhaust manifold system pairs cylinders according to their expansion or compression stroke to reduce pumping losses and eliminate exhaust gas interference. A dual exhaust system reduces backpressure and noise.

DDFlyTrain flywheel hybrid technology to deliver around 10% fuel savings, rapid ROI

Green Car Congress

Other associated benefits can also be realized: improved longevity of braking system components as retardation is applied through absorbing energy into the flywheel, less noise and vibration from the engine during launch, and reduced exhaust emissions produced in the vicinity of stations.

2015 85

Neste and Boeing to partner on commercialization of renewable aviation fuels

Green Car Congress

Neste suggests that high freeze point renewable jet fuel is a potential game changer; it would be used in lower blends: NEXBTL renewable jet fuel has also been tested on 1,187 scheduled Lufthansa flights between Frankfurt and Hamburg in 2011, and one intercontinental flight between Frankfurt and Washington D.C.

2015 73

Third-Generation VW Sharan Van Will Offer Fuel Consumption As Low As 5.5 L/100km (43 mpg US); Start-Stop and Battery Regeneration

Green Car Congress

Unlike vehicles without the Start-Stop system, the BlueMotion Technology models have an extra battery data module (for acquiring momentary battery charge status); a reinforced engine starter; a DC/DC converter; and a durable deep-cycle glass mat battery on board.

2010 78

Toyota R&D continues work on free piston linear generators for EVs; novel resonant pendulum control method

Green Car Congress

The piston and cylinder head form a combustion chamber, which includes an exhaust valve, ignition plug, and fuel injector. When the generated power during the expansion stroke is larger than that during the compression stroke, the maximum DC power is generated.

2016 124

Ford moving to vehicle testing with advanced 2.3L MiGTDI engine research project; Tier 3 SULEV30 target with 25% fuel economy improvement

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Split, parallel, cross-flow cooling with integrated exhaust manifold. The 2.3L MiGTDI engine. Source: Ford. Click to enlarge.

2014 90

Manchester team proposing graphene-based ballistic rectifier for waste heat recovery

Green Car Congress

Rectifying diodes let electrical current flow in only one direction; mainly used for power supply operation, they convert AC to DC current.

2016 90

Closing up more loose ends.

Porsche 914 EV Conversion

One of the other 914 kit converters questioned why the accessory battery couldn't stay in the original tray, but I decided to remove it anyway and have the accessory battery up in the front trunk near the DC/DC converter.

2007 130

Nissan introduces the e-NV2000 electric van

Green Car Congress

A dedicated CHAdeMO DC 50 kW quick charger can recharge the battery from 0-80 percent in 30 minutes or less if the battery is already partially charged. e-NV200. Click to enlarge.

2014 123

Sandia study finds high-speed hydrogen-powered ferry and supporting infrastructure in SF Bay feasible

Green Car Congress

Electrical architecture: DC power from the fuel cells converted to AC power for the motors. Elimination of diesel fuel spills, diesel odor, and exhaust odor.

2016 139