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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 testament to the filtration efficiency of the latest gasoline particulate filters (GPFs), tailpipe mass emissions are now as low as 0.02
Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.
Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. NexTech Materials of Lewis Center, Ohio, has developed a new diesel engine exhaust NO x sensing technology that is able to rapidly and selectively measure nitrogen oxides in diesel engine exhaust streams. Lead organization. Description.
DENSO Corporation has improved the temperature detection accuracy of its newly developed diesel exhaust temperature sensor. To improve the sensor’s temperature accuracy, DENSO increased the probe length to almost twice that of the conventional product and extended the sensing tip into the exhaust pipe. Click to enlarge.
liter gasoline engine. features a high compression ratio (for a regular gasoline mass production automobile engine) of 14.0:1 liter direct-injection gasoline engine to be equipped in a compact car manufactured in Japan. direct-injection 1.3-liter The SKYACTIV-G 1.3 Mazda plans to introduce the SKYACTIV-G 1.3 The SKYACTIV-G 1.3
20% mineral oils such as extender oils/ softeners. Highly aromatic (HA) oils used as extender oils or softeners in the tire-manufacturing process have concentrations of PAHs ranging between 10 to 30%. Data available of dibenzopyrenes in other urban emission sources are diesel and gasoline particulate emissions.
The effects of gasoline ratio on indicated thermal efficiency of HCII and GDBF modes. Researchers at Tsinghua University have compared the combustion and emissions characteristics of two dual-fuel (diesel-gasoline) modes intended to integrate the advantages of both fuels to achieve high thermal efficiency and low emission targets.
T-Jet gasoline—and a dual fuel LPG/gasoline variant of the 1.4 A Start&Stop system is included, while the engine and transmission use low viscosity lubricant oil to minimize friction. The component is compact to reduce exhaust counter-pressure with beneficial effects in terms of fuel reduction and CO 2 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.
with technologies such as direct fuel injection, variable valve timing, exhaust-driven turbochargers, brake energy regeneration and Auto Start Stop function—about 60% of the generated energy is still lost, half of it being exhaust heat, with the remaining half as heat absorbed by the engine cooling system. Click to enlarge.
Toyota Motor Corporation has developed a new series of fuel-efficient gasoline engines that achieve improved thermal efficiency. liter gasoline engine in which Toyota is employing the Atkinson cycle—normally used in dedicated hybrid engines—and a compression ratio of 13.5:1. Click to enlarge. One of the engines is a 1.3-liter
The powertrain range for the Estate, which includes diesel, gasoline and hybrid options, features a new 1.6-liter The new Estate’s gasoline and diesel engines with ECO start/stop function comply with the Euro 6 emissions standards. An overhead camshaft actuates two intake and two exhaust valves per cylinder. l/100 km (54.7
liter engine, the HR12DDR, which aims to achieve the lowest level of fuel consumption in the world for gasoline-powered cars while delivering power output equivalent to that of a 1.5L Click to enlarge. Nissan Motor Co., unveiled a newly developed 1.2-liter engine and CO 2 emissions of 95 grams per kilometer (New European Drive Cycle).
FCA also plans to consolidate its small gasoline engine lineup with a new family to be launched in 2015. Much more progress will come as gasoline and diesel engine technologies converge. FCA will start the global roll out of a new small gasoline engine family in 2015 which incorporates these new and emerging technologies.
Peugeot’s new 2008 B-Segment urban crossover, introduced at the Geneva Motor Show, leverages its light-weight design, aerodynamic silhouette and a wide range of gasoline and diesel engines equipped with Stop&Start—including a new generation of 3-cylinder gasoline engines—to offer fuel consumption and CO 2 emissions as low as 3.8
Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. 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. Oh and Plante. Click to enlarge.
Lux Research has investigated the trends of corporate financing of alternative fuels from oil majors, based on a non-exhaustive database of more than 1,000 deals and partnership engagements from 2000 through September, 2014. Less active oil majors in this space include ExxonMobil and ConocoPhillips.
Tata Motors launched its REVOTRON Series of next-generation gasoline engines for the passenger vehicle market in India. The engine is refined with tuned intake and exhaust system for improved combustion noise that is further reduced with silent-steel oil pan and lower auxiliary system noise.
HEDGE-III will investigate solutions to the primary barriers to high efficiency in gasoline engines. Southwest Research Institute (SwRI) has launched its third cooperative research program aimed at developing a high-efficiency gasoline engine for the light-duty automotive and medium-duty engine markets. Source: SwRI. Click to enlarge.
The new Peugeot 208 B-segment supermini, which launches this spring in Europe, will be available in 3- and 5-door bodystyles with a range of gasoline and diesel engines including a new 3-cylinder gasoline engine range and the latest generation of Stop & Start System (e-HDi) diesel engines. 208 gasoline range. 208 gasoline range.
Toyota anticipates a 1/3 full hybrid, 1/3 gasoline, 1/3 diesel engine mix. The new Auris’ powertrain line-up, which now features a choice of an improved full hybrid or two gasoline and two diesel engines offering the performance- and economy-enhancing benefits of Toyota Optimal Drive. Valvematic gasoline engine. Powertrains.
All of the gasoline engines feature direct injection and dual overhead camshafts with continuously variable valve timing, which help optimize power and efficiency, as well as reduce emissions. Even the oil volume is optimized for minimal weight. four-cylinder and a 270 hp (201 kW) 2.0L V-6 currently offered in the 2012 Cadillac CTS.
By leveraging technology, we are able to get more out of every drop of gasoline and because of that we expect the new Corvette will be the most fuel-efficient 450 horsepower car on the market. This is complemented by a reversal of the intake and exhaust valve positions, as compared to the previous engine design.
Researchers at the University of Wisconsin, led by Dr. Rolf Reitz, are investigating a blended dual-fuel (gasoline and diesel) concept to extend the operating range of partially premixed charge compression ignition combustion by using the varying fuel reactivity of the charge blend, which is determined in real time. Source: Rolf Reitz.
Theta II GDI, its first Gasoline Direct Injection engine before an audience of engineers attending the Ninth Annual Hyundai-Kia International Powertrain Conference in Korea. GDI application will subsequently be expanded across the gasoline engine family and applied to other Hyundai models. Theta II GDI. Click to enlarge.
A new study by Dr. Gautam Kalghatgi and his colleagues at Saudi Aramco provides further support a pathway for significant improvements in the efficiency of a gasoline engine (i.e., Broadly, this approach is termed Gasoline Compression Ignition (GCI). spark ignited, SI) by running it in compression ignition mode with naphtha fuels.
At the tailpipe, the TWC ultimately reduced the regulated and unregulated emissions from the methanol-gasoline engine to the same levels as those generated by a conventional gasoline engine. A paper on their study was published online 3 December in the ACS journal Energy & Fuels. —Fan et al. —Fan et al.
Volvo Car Corporation is introducing an all-new four-cylinder 2-liter GTDi (Gasoline Turbocharged Direct Injection) engine in the Volvo S80, V70 and XC60. With new Volvo-developed turbocharging technology, direct injection and twin variable camshafts, the new Euro-5 gasoline engine—the 2.0 The new Volvo-developed turbo system.
Ford’s all-new 2011 Ford F-Series Super Duty trucks are equipped with new diesel and gasoline engine powertrains that deliver improvements in torque, horsepower and fuel economy. liter V-8 gasoline engine also boasts best-in-class numbers of 405 lb-ft (549 N·m) of torque at 4,500 rpm and 385 hp (287 kW) at 5,500 rpm. Click to enlarge.
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. The exhaust manifold is integrated directly in the cylinder head, which reduces the number of parts and overall weight. PureTech 3-cylinder engine. Click to enlarge.
Both the E-Class sedan and wagon offer a range of gasoline and diesel engines, all coming with the ECO start/stop system as standard equipment. The gasoline engines offered in the MY14 E-Class in the US are the V6 and V8 units in the E350 and E550, which will go on sale in Spring 2013. Earlier post.). city/highway).
This work dispels the myth that low carbon vehicles simply displace emissions from the exhaust to other sources. For a current standard mid-sized gasoline ICE (internal combustion engine) vehicle, the embedded carbon in production will be around 5.6tCO 2 e, around three quarters of which is the steel in the vehicle glider. production.
The newly introduced GMC Terrain ( earlier post ) became the latest GM North American model that will feature a fuel-efficient gasoline direct injection (DI) engine in 2010. GM North America Gasoline Direct Injection Applications. Cam phasing also provides another effective tool for controlling exhaust emissions. Cadillac STS.
TFSI (gasoline) or a 3.0 The new three-liter V6 exhaust end lies inside the 90° vee; the short gas paths and the twin scroll charger, which prevents unwanted interactions between the gas columns, guarantee spontaneous throttle response. The exhaust manifold is integrated in the cylinder head and bathed in coolant.
for XSE grade, which uses a dual-outlet exhaust). Most AWD grades have 202 hp, while the Camry XSE AWD grade has 205 hp with dual exhaust. A variable cooling system, variable oil pump and a cooled exhaust gas recirculation (EGR) system all contribute to the engine’s high thermal efficiency and outstanding fuel economy.
EPA has issued an Advance Notice of Proposed Rulemaking (ANPR) on lead emissions from piston-engine aircraft using leaded aviation gasoline (avgas). Aviation gasoline is utilized in general aviation aircraft with piston engines—which are generally used for instructional flying, air taxi activities, and personal transportation.
In the editorial, the researchers note that internal combustion engines operating on fossil fuel oil provide about 25% of the world’s power (about 3,000 out of 13,000 million tons oil equivalent per year), and in doing so, they produce about 10% of the world’s greenhouse gas (GHG) emissions. road dust) are accounted for. Gas exchange.
In addition to the hybrid model, the Auris 2010 powertrain line-up also offers three gasoline and three diesel engines offering the performance and economy-enhancing benefits of Toyota Optimal Drive. Powered by the NiMH battery, the electric motor works in tandem with the gasoline engine to boost acceleration during normal driving.
liter Pentastar V-6 gasoline engine option. diesel comes from a number of design features, such as: Isolated oil pan. High-efficiency exhaust-gas recirculation (EGR) cooler (which also benefits emissions compliance). The diesel exhaust fluid (DEF) is integrated with heated lines to protect the system from freezing.
On the gasoline side, the 2013 Ram 1500 equipped with a 3.6-liter liter Pentastar V-6 gasoline engine earned 25 mpg (9.4 liter EcoDiesel features Selective Catalytic Reduction (SCR); high-pressure cooled Exhaust Gas Recirculation (EGR); variable swirl intake ports; and a variable-geometry turbocharger. l/100 km.). The all-new 3.0-liter
The gasoline (91 octane recommended, 87 octane minimum) engine offers a specific output of 82.4 Ti-VCT provides extremely precise variable—yet independent—control of timing for intake and exhaust valves. liter V-8 application is that Ti-VCT is actuated by camshaft torque, with assistance from pressurized oil. Earlier post.).
Neste, currently largest producer of renewable drop-in fuels (primarily diesel) with its NEXBTL platform ( earlier post ), has filed a patent ( US20150144087 ) on a gasoline composition (and the method for making it) comprising up to 20 vol% (preferably from about 10-15 vol.%), of paraffinic bio-hydrocarbons originating from the NEXBTL process.
Fitted with a small fixed-geometry turbocharger, a variable-displacement oil pump and smart charge alternator, the 105 HP 1.6 Today, MultiJet II engines fully comply with the Euro 5 standard and use low viscosity lubricant oil to minimize friction. T-Jet gasoline engine. A professional driver drove the same distance on only 20.9
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. Note the position of the single exhaust gas turbocharger and the electrically driven compressor.
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