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Cost of the new engine relative to gasoline baseline. The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter) Earlier post.). l/100 km), and as such would not meet the GHG requirement of 28 mpg (8.4 Source: Cummins.
Federal-Mogul Corporation has developed a lightweight, high-strength aluminium piston that enables engine manufacturers to increase the power density and efficiency of boosted, direct injected gasoline engines. Cutaway of the Advanced Elastoval II piston. Click to enlarge. generation pistons.
Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% One significant trend is engine downsizing coupled with turbocharging. Turbochargers work by using a turbine driven off the exhaust gas to pressurize the intake air. of new gasoline-fueled LDV sales.
However, while Mazda plans to offer hybrid vehicles in the medium-term, its engineers are pushing hard to increase the efficiencies of both the gasoline and diesel platforms, moving toward what they call “the ideal Internal Combustion Engine.” Extreme compression ratio rather than downsizing. Although downsizing—i.e.,
Opel revealed more details about its new mid-size gasoline engine family at the Aachen Colloquium in Germany. For mass reduction the midsize gasoline engine features a two-piece crankcase design, supported at the lower end by a die-cast aluminum bedplate. SIDI engine. Click to enlarge. Earlier post.) The all-new 1.6-liter,
While gasoline costs were the number one reason cited for wanting a more fuel-efficient vehicle (at 90%), more than half of respondents also had other reasons, including a desire to be more environmentally friendly (62%) and concern about the nation’s dependence on foreign oil (56%).
During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. Click to enlarge. PSA has filed for two patents on its work.
DENSO Corporation has developed its first EGR cooler for gasoline engines. The newly developed EGR (exhaust gas recirculation) cooler is 30% smaller than the smallest one currently available on the market, while offering equal performance. DENSO EGR cooler. Click to enlarge.
Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi pump. Delphi 500+ bar GDi injector. —Walter Piock.
Hyundai Motor is showcasing two new turbocharged gasoline direct injected (T-GDI) engines at the Paris Motor Show 2014. In addition, Hyundai is premiering at the Paris show its first 7-speed dual-clutch transmission, fitted into the i30 CNG natural gas concept car, which contributes to improved fuel efficiency. Click to enlarge.
Researchers at Tianjin University in China report that combing split injection to the Miller cycle with boost pressure can effectively decrease the knock tendency and increase the engine torque in a downsized spark-ignition engine. A low effective CR can reduce the end-gas temperature and, consequently, the Miller cycle can suppress knock.
Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. The major part of this gain is due to downsizing the engine. Earlier post.).
unveiled the first generation of its new, proprietary enhanced spark-ignited (ESI) natural gas system. Using 100% dedicated natural gas as fuel, Westport’s new technology optimizes the combustion and thermal efficiencies of the engine by taking advantages of the positive properties of natural gas. mono-fuel gas engine.
The new Twin-Air engine is an example of downsizing: combining a small displacement engine with a next-generation turbocharger to provide performance comparable to—or better than—that of a larger engine but with less fuel consumption and lower emissions.
A team from Brunel University, MAHLE Powertrain and University College London studied the combined effects of different inlet valve operating strategies on combustion, performance and emissions with different ethanol and 1-butanol blends with gasoline in a single-cylinder spark-ignition research engine equipped with a fully variable valvetrain.
Hakan Yilmaz, Global Technology Management, Gasoline Systems, for Bosch presented an overview of and update on the project at the 2011 DEER conference in Detroit in October. Two-stage boost—a small supercharger for HCCI, and a regular turbocharger for downsizing. HCCI range extension with boosting. Source: Bosch.
The vast majority will be hybrids that use mainly gasoline plus a small amount of battery power; these will make up more than 40 percent of the global fleet by 2040. Globally, ExxonMobil expects to see growth in plug-in hybrids and electric vehicles, along with compressed natural gas (CNG) and liquefied petroleum gas (LPG) powered vehicles.
Citroën is introducing the first members of its new PureTech family of three-cylinder gasoline engines on the C3, DS3 and C-Elysée (for international markets) ranges. To achieve these results, PureTech development called for a number of changes, chief among which were: Downsizing. Citroën developed two different capacity versions: 1.0-liter
The gasoline engine delivers 105 hp (72 kW) at 5500 rpm and maximum torque of 145 N·m (107 lb-ft) at 2000 rpm/min, with combined cycle fuel consumption of 4.2 This is the lowest consumption of any of the gasoline or diesel MiTo engines, while power delivery and torque are the second-highest of the MiTo gasoline range.
The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. mpg US (5.87 L/100km) in model year 2021, and 49.6 L/100km) in model year 2025.
Operating range of 2-stroke CAI fueled with gasoline, E10 and E85. Accordingly, the processes have been extensively researched over the last decade and adopted on prototype gasoline engines (e.g., Zhang et al. 2013a) Click to enlarge. Controlled autoignition (e.g., Controlled autoignition (e.g., GM’s ongoing work, earlier post ).
liter gasoline engines combine turbocharging and fuel injection technology to deliver greater fuel economy. Ford expects up to 90% of its nameplates sold in North America will be available with downsized direct-injected turbocharged engines by 2013. The direct-injected 1.6-liter liter and 2.0-liter BorgWarner turbo. Click to enlarge.
With more stringent emissions regulations and increasing environmental awareness, DENSO expects an increase in requirements to improve diesel exhaust aftertreatment technologies, which also will increase the demand for highly precise and extended exhaust gas temperature sensors.
This combined combined aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance and a 12+X volt micro-hybrid stop-start and energy recuperation systems. In 2011, the HyBoost team reported that the HyBoost demonstrator was achieving comparable performance to the conventional 2.0L
CPT says that the RegEnBoost system enables a typical family-sized car to achieve less than 100 g/km CO 2 with a 1-liter gasoline engine, but when required can offer the same lively performance and in-gear acceleration of a 2-liter naturally aspirated powertrain.
Modern Ferraris, Lamborghinis and Porsches have to meet the same regulations as regular passenger cars, even if ultimately they still use more gasoline and pump out more emissions. Ferrari is hoping to cut its gas guzzling ways further by developing a hybrid.
Bosch does not believe there is just one powertrain solution for the future; most of the cars on the world’s roads are still running on diesel and gasoline, and things will stay that way for the rest of the decade, Bohr noted. Only the diesel engine will achieve this in the compact class, but the gasoline engine will come close.
The study by the Ford / AVL team provides an overview of the effects of such a future ethanol-gasoline blend in such an engine. (As In their paper, Robert Stein from AVL and James Anderson and Tim Wallington from Ford begin by reviewing properties of ethanol and gasoline blends. and of gasoline, about 14.6 Earlier post.)
A new white paper published by the International Council on Clean Transportation (ICCT), in collaboration with Eaton, Ricardo, JCI, BorgWarner, Honeywell, and the ITB Group, analyzes current turbocharged, downsizedgasoline engine technology developments and trends. Source: ICCT. Click to enlarge.
A team at the Clean Combustion Research Center (CCRC), King Abdullah University of Science and Technology (KAUST), Saudi Arabia, is proposing the use of terpineol as an octane booster for gasoline in a spark ignited (SI) engine. Furthermore, FACE F + 30% terpineol displayed improved combustion characteristics when compared to Euro V gasoline.
The new Yaris Hybrid, which is equipped with a version of the downsized hybrid powertrain featured in the Prius c/Aqua ( earlier post ), is a major step in the company’s full hybrid European roll-out strategy. The downsized full hybrid system combines the new 1NZ-FXE 1.5-liter liter Atkinson Cycle gasoline engine is 16.5
Alcohol fuels can also be produced from natural gas or coal. These extreme downsizing indicates the potential of a SI, knock-free engine, operating at the same peak pressure as the diesel engine and higher engine speeds. More modest downsizing up to 5 liters could offer a practical solution. In this manner a 3.6
Bosch is leading a consortium in a German government-funded project to develop a direct injection system for monovalent natural gas engines—i.e., Today’s CNG vehicles are generally bivalent, running on gasoline and CNG with engines designed for gasoline direct injection. engines that run exclusively on CNG.
Projects to be funded include: Ultra Lightweight Gas Turbine Range Extender for Electric Vehicles. 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.
Achates Power will work with Delphi Automotive and Argonne National Laboratory on its ARPA-E-funded project to develop an innovative opposed-piston, gasoline compression ignition (OPGCI) engine. liter opposed-piston, gasoline compression ignition engine applicable to large passenger vehicles, pick-up trucks, SUVs and minivans.
Among the changes in the new Juke are a new design at the front and rear with greater emphasis on both premium refinement and sporty design cues; a new downsized 1.2-liter Three engines are available for new Juke, with changes to the two gasoline options: one is new and the other extensively revised. Click to enlarge. The existing 1.5
Based on a Ford Focus, this ADEPT prototype incorporates a 48V electrical architecture, a SpeedStart 10kW (later to be upgraded to 12.5kW) belt integrated starter generator and TIGERS turbine integrated exhaust gas energy recovery system, both switched reluctance machines supplied by CPT, and an advanced lead carbon battery pack provided by EALABC.
liter ELC-Hybrid to downsized 1.4L VTES + SpeedStart. CPT and AVL’s most recent work assesses the potential of a VTES equipped downsized ELC-Hybrid vehicle in combination with the CPT SpeedStart Integrated Starter Generator ( earlier post ) and the UltraBattery. Click to enlarge. common rail TDI engine.
Internal combustion engines have been significantly improving in the past decade, after the adoption of technologies such as Gasoline Direct Injection, mild electrification, downsizing and turbocharging. The OSU EcoCAR prototype vehicle features an extended-range electric architecture with a downsized 1.8L
Cackette was in effect suggesting that the future tailpipe emissions baseline (LEV III) for light duty passenger vehicles—both diesel and gasoline—was likely to be or to approximate CA SULEV/US Tier 2 Bin 2. We see dramatic downsizing and boosting [as] something that’s going to for gasoline engines especially. John Kirwan.
Fiat expects that Multiair, with direct control of the air through the intake engine valves without using the throttle, can help reduce fuel consumption by up to 10% for turbocharged or naturally aspirated gasoline engines. A specific turbocharged engine version will be bi-fuel (gasoline-CNG).
Researchers at Tsinghua University in China are studying the effects of Dual-Fuel Spark Ignition (DFSI) combustion fueled with different alcohols and gasoline. Alternatively, in the second study, gasoline–alcohol DFSI is based on PFI of gasoline and DI of alcohols.). —Liu et al.
At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). I4 Ecotec engine.
Large scale production of methanol from natural gas and coal is a well-developed. Sufficient feedstock of natural gas and coal exists to enable the use of non-renewable methanol as a transition fuel to renewable methanol from biomass, they suggested. The toxicity (mortality) is comparable to or better than gasoline.
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