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In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.
Mercedes-Benz has expanded the powertrain line-up of its new G-Class with an efficient diesel variant. As a result, the G-Class model range now offers buyers a choice between the G 500 (fuel consumption, combined: 12.1-11.5 This heats up the exhaust system without driving up fuel consumption.
One of its outstanding features is the in-line six, which meets the EU Stage V emission standard for locomotives without the need for an exhaust after-treatment system (EATS). The MAN D3876 LE63x meets EU Stage V for locomotives without the need for exhaust after-treatment systems.
In an event in Amsterdam, Mercedes-Benz unveiled its new A-Class compact line. The new fourth-generation A-Class vehicles are larger than their predecessors, and feature the MBUX – Mercedes-Benz User Experience with a number of functions that were previously the preserve of the luxury class.
turbo diesel engine featuring a first-in-class 1,000 pound-feet (1,356 N·m) of torque. The heart of the engine is a higher strength alloy crankshaft with a 10-bolt crank flange driving newly-designed forged connecting rods and new bearings, which transfer power from the low-friction ring wrapped pistons. 2019 Ram Heavy Duty 6.7-liter
Shell has partnered with the Airflow Truck Company to collaborate on a hyper-aerodynamic, fuel-efficient Class 8 concept truck: Starship. This next-generation concept truck features a custom, aerodynamic design and aims to demonstrate improvements in fuel economy for Class 8 trucks. Bespoke design, elongated flaps fit.
Certification in accordance with the Euro 6d standard (RDE stage 2) not prescribed for new models until 1 January 2020 is possible due to measures including extended exhaust gas aftertreatment with an additional underbody SCR catalytic converter including ammonia slip catalyst (ASC) in the underbody.
Designed by LMG Marin (Norway), part of the Sembcorp Marine group, to deliver 65T Bollard Pull (BP) with ABS Class, the LNG-hybrid tug is estimated to be completed in the later part of 2021. This is the first LNG-hybrid tug to be powered by mtu gas engines. The new engines are part of Rolls-Royce’s Green and High-Tech program.
liter Class 8 engine, with power ratings from 380-500 hp (283-373 kW) and torque from 1,450-1,850 lb-ft (1,966-2,508 N·m). Single Horizontal Exhaust: To further increase aerodynamic performance, the EPIQ package recommends a single horizontal exhaust configuration or a single right-hand back-of-sleeper exhaust configuration.
GE Aviation has completed the initial design of the first supersonic engine purpose-built for business jets. This new engine class, revealed as GE’s Affinity turbofan, is optimized with proven GE technology for supersonic flight and timed to meet the Aerion AS2 launch ( earlier post ). AS2 supersonic business jet.
This summer, the Mercedes-Benz E-Class will introduce a new, comprehensively digitalized generation of steering wheel: the capacitive steering wheel. Steering-wheel design is a world of its own and a very special challenge that is often underestimated. —Hans-Peter Wunderlich, Creative Director Interior Design at Mercedes-Benz.
IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. A key contribution to this performance must come from the exhaust gas aftertreatment system—across the entire speed and load range. This way, exhaust gas flows through DOC and SCRF before it enters the turbine.
Mercedes-Benz announced that seven new versions of the Mercedes-Benz A-, B- and CLA-Class now offer enhanced fuel savings compared with their respective predecessors. It is also being applied in the new C Class, as highlighted at the North American International Auto Show.) Click to enlarge. l/100 km (43.6 Source: Vent et al.
liter Power Stroke V8 turbo diesel ( earlier post ) will feature three engine power ratings, including best-in-class standard diesel horsepower and torque, and no vocational limits on top ratings. The reverse-flow layout places the exhaust inside the engine’s V-shape, while the air intake is positioned on the outside of the V.
Mercedes-Benz is adding a new Estate (wagon) model to its C-Class family starting in September 2014. Mercedes-Benz C-Class Estate (S 205) 2014: C 300 BlueTEC HYBRID & C 250 BlueTEC. An overhead camshaft actuates two intake and two exhaust valves per cylinder. liter 4-cylinder diesel (OM 626) produced by Renault. l/100 km (54.7
Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Class-exclusive Active Grille Shutters are designed to help improve MKC fuel efficiency at highway speeds. Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger.
Alfa Laval offers a range of oil-fired and oil and exhaust gas-fired boilers for ships. Top-fired and available in two different design pressures, the Aalborg OL is a vertical, two-drum cylindrical boiler. Results from field testing will be crucial in fine-tuning the methanol boiler solution and arriving at a commercial design.
Under the JDP, WinGD will oversee combustion and injection research, exhaust aftertreatment requirements and engine concept design. HSD Engine will provide support on cost-effective manufacturing and assembly, provide engine testing capabilities and deliver fuel supply and exhaust aftertreatment systems.
Wärtsilä introduced a new, more efficient, Aframax tanker design offering “practical and viable” solutions to meet current and forthcoming emissions legislation. The new Aframax design emphasizes energy efficiency to provide lower operating costs and enhanced environmental performance.
Stack-designed cylindrical TEG, built with TE cartridges, developed for LDVs in first project. The TEG technology, which converts waste heat from gas exhaust into electric energy and has the potential to improve passenger car fuel efficiency by as much as 5%. TEG & Exhaust System in Lincoln MKT. Click to enlarge.
The California Energy Commission has issued a funding notice ( PON-14-501 ) to support the applied research and development of advanced high-energy ignition systems capable of overcoming the challenges of igniting natural gas fuel under high boost pressures with heavy exhaust gas recirculation (EGR) for spark-ignited Class 3-8 engines.
The advanced design places the exhaust inside the engine’s V-shape while the air intake is positioned on the outside of the V. This segment-exclusive design naturally improves a variety of attributes: Shorter airflow from the exhaust system to the turbocharger sitting between the engine’s cylinder banks improves turbo responsiveness.
Battery-electric AMG derivatives based on the new Mercedes Electric Vehicle Architecture (EVA) for luxury and premium-class vehicles. Extensive modifications to the drive, chassis, design and equipment will provide the hallmark AMG driving experience with all-electric drive. This is a P3 hybrid configuration.).
Mercedes-Benz chose Auto Shanghai 2017 as the venue for the world première of the new S-Class. Several new engines are planned for the new S-Class: in-line six cylinder diesel and gasoline engines as well as a new V-8 biturbo gasoline engine. The market launch of the new S-Class starts in the European markets in July.
The LT1 camshaft design is based on the LS3’s cam tuning (14mm gross intake lift) and offers 62 crank degrees of cam phasing authority. The LT1 head features smaller combustion chambers designed to complement the volume of the unique topography of the pistons’ heads. The deep-skirt design helps maximize strength and minimize vibration.
Ford’s MY 2015 F-Series Super Duty heavy-duty pickup trucks feature engine and chassis upgrades that together deliver best-in-class horsepower, torque and towing capacity. The 2015 F-450 tops the F-Series Super Duty pickup truck lineup with maximum towing capacity increasing to a class-leading 31,200 pounds, a gain of 6,500 pounds.
The technology group Wärtsilä is introducing a new portfolio of tug designs, to be known as the Wärtsilä HYTug series, with the emphasis on environmental sustainability. Wärtsilä has already introduced tug designs featuring liquefied natural gas (LNG) fuel technology as an efficient means for complying with environmental legislation.
We combine a best-in-class fuel cell solution with a long history of being a trusted engineering partner to leading companies in the global maritime industry. The partnership with AVL has already resulted in bringing to production the TECO Future Funnel, a complete exhaust gas cleaning system. —Tore Enger, CEO of TECO 2030 ASA.
Mercedes-Benz unveiled a new generation of medium-duty engines with the series designation OM 93x. The new engines are designed for light- to heavy-duty distribution transport and for service in light- and medium-duty construction and long-haul transport. The engines also feature a cooled exhaust gas recirculation system.
liter variants delivered best in class power and torque outputs. The new Duramax engine uses an electric EGR valve for greater precision and a larger EGR cooler to further reduce recirculated exhaust gas temperature. An improved and redesigned cylinder head has a larger exhaust port and water passage to enhance cooling efficiency.
An eight-speed automatic transmission is standard and is designed to handle the increased torque output. FCA US engineers adapted the engine—designed and manufactured by FCA EMEA —to meet the NAFTA region’s regulatory requirements. Body-on-frame design. Transmissions. 1 first gear ratio coupled with a 4.1:1
The two-stroke engine has been favored for small recreational vehicles because of its high power density, low cost and simple, lightweight design, Oh said. This is due to raw, externally premixed fresh charge comprising air, fuel and lube oil being short-circuited into the exhaust during the scavenging process.
To help meet that design target, Toyota engineers focused on making the hybrid system more compact and lighter in weight—the Prius c hybrid system is 14% lighter than that of the current Prius Liftback. This improves torque in all engine speed ranges as well as increasing fuel economy, and reducing exhaust emissions.
Due to the lower exhaust enthalpy of lower temperature engines using PPCI, it is difficult to produce intake boost with acceptable boost system parasitis. A practical powertrain system with robust PPCI combustion is needed, including injection, valvetrain, boost, and exhaust subsystems. Click to enlarge. Current study. GDCI engine.
It has been purposefully designed for efficiency and, together with many other optimizations of the race car, such as aerodynamics, helps save energy. Top: The LMP1 rules define energy classes for different powertrain systems. The first system is the recovery of thermal energy by an electric generator powered by exhaust gases.
Designed by Fiat, which employs the engine in numerous applications including Class 2, 3 and 4 commercial vehicles, the 16-valve, dual-overhead cam I-4 has been adapted for the North American market with a wide range of modifications that enable regulatory compliance, while also enhancing performance. Further refinement in the 3.0L
The lawsuit, filed 3 July 2017, in the US District Court for the Eastern District of Michigan, seeks damages and equitable relief for what it calls FCA’s and Cummins’ misconduct related to the design, manufacture, marketing, sale and lease of affected Dodge trucks with unlawfully high emissions.
Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The study determined that, depending on a region’s fuel use, diesel exhaust is responsible for 65% to 90% of vehicular-derived SOA, with substantial contributions from aromatic and aliphatic hydrocarbons. Gentner et al. Click to enlarge. Earlier post.).
These clusters are more reactive than the single atoms and, hence, exhaust gases can be much better removed. With the help of highly specialized spectroscopy and theoretical calculations, which were used for the first time ever for this class of catalysts, the team succeeded in explaining why platinum atoms frequently have a low activity.
With automotive design trending toward smaller engine compartments, increased exhaust gas recirculation and decreased air flow, the high-end temperatures in underhood environments are climbing and, more importantly, driving the performance requirements for FSRs to extremes not previously required.
With a five-belt rolling road system designed for production vehicle development and a second single wide-belt system for testing both high-performance sports cars and purpose-built race vehicles, the tunnel can generate wind speeds of more than 190 miles per hour. 5-Belt Aerodynamics Testing. Advanced Aeroacoustics Testing.
Mercedes-Benz is introducing a newly developed four-cylinder gasoline engine that delivers the performance of a high-capacity six-cylinder engine but with significantly reduced fuel consumption for the E‑Class Coupé and Cabriolet. The engine generates 220 kW/299 hp from a displacement of 1991 cc. l/100 km (34.6 Twin-scroll turbo.
CDTI is the quietest diesel in its class. The engine is best-in-class in noise and vibration generation due to its optimized component design; an especially efficient combustion process with multiple injection; and additional acoustic measures. CDTI is the quietest diesel in its class, and calls it the “whisper diesel”.
The Performance Sonic RS concept features engine performance, suspension/brakes and appearance upgrades developed by Chevrolet Performance engineers and designed to be installed by Chevrolet dealers. Features include: A Stage Kit, cold-air induction and a high-flow exhaust system allow the 1.4L turbocharged engine.
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