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Nissan new petrol engine could make diesel obsolete
Nissan believes its new petrol engine design, which uses variable compression technology, can deliver the performance of turbo charged petrol engines, while matching the economy of a diesel engine
The new engine uses variable compression technology, which engineers say enables it to choose the best fuel air compression ratio for combustion.
Nissan is confident its new technology could provide a level of performance and efficiency that conventional gasoline van cleef alhambra necklace copy engine have so far struggled to achieve.
Engineers say the new design enables the engine to choose the best fuel air compression ratio for combustion. TheJapanese car manufacturer will unveil its new engine design in an Infiniti model in Paris next month. Pictured is a 2008 Infiniti coupe
NISSAN'S NEW ENGINE TECHNOLOGY The new Variable Compression Turbo (VC T) design enables the engine to choose the best compression ratio for combustion.
Firms have been developing the technology for a number of years, but a number of issues such as vibration and cost remained.
But according to Nissan, its new 2L VC T engine is more than a quarter more fuel efficient than its current 3.5L V6 diesel engine, without skimping on power.
The engine is set to be unveiled at the Paris motor show next month, appearing in Nissan's Infiniti models and possibly Renault models, from next year.
Nissan believes the engine design could replace high end diesel engines in future.
'Diesel engine is a hot topic globally. We believe this new engine of ours is an ultimate gasoline engine that could over time replace the (advanced) diesel engine of today,' said Kinichi Tanuma, a senior Nissan engineer who leads product development for the premium Infiniti brand, speaking to reporters at a van cleef and arpels necklace replica pre launch briefing last month.
'Everyone's been working on variable compression and other technologies to significantly improve gasoline engine fuel economy . at least for the last 20 years or so,' said James Chao, Asia Pacific managing director at consultant IHS.
'Increasing the fuel efficiency of internal combustion engines is critical to automakers. Not all consumers will accept a battery electric vehicle solution.
'But significant challenges remain, such as increased complexity and cost, as well as potential vibration issues.'
The new Variable Compression Turbo (VC T) powertrain, expected to be officially unveiled at next month's Paris motor show, will initially be showcased in an Infiniti car to be unveiled next year, Nissan engineers said, without elaborating.
Eventually, it's expected to be used in Nissan cars and possibly by its alliance partner Renault.
The firm believes the new petrol engine design could replace high end diesel engines in future (stock image)
The turbo charged, 2 liter, four cylinder VC T engine averages 27 per cent better fuel economy than the 3.5 liter V6 engine it replaces, with comparable power and torque.
Nissan says the new engine matches the diesel engine in torque the amount of thrust that helps determine the car's acceleration.
The engine is also cheaper than today's advanced turbo charged diesel engines, Nissan engineers said at the briefing at the company's technical and design center in Atsugi, Japan.
They said it should also meet nitrogen oxide and other emissions rules in certain markets without requiring costly treatment systems.
The compression ratio measures how much the air fuel mix is reduced, or compressed, in the gasoline engine's cylinders before it's ignited and produces energy.
The higher the ratio, the more efficiently the engine van cleef pendant knock off works, producing better fuel economy and, with the addition of a turbo charger, more power.
MORE EFFICIENT, BUT MORE HARMFUL?
A study found under certain conditions fuel efficient engines can be big polluters
Fuel efficient engines aim to deliver more bang for the driver's buck by injecting fuel directly into the engine's combustion chambers.
But a team of researchers in Canada recently found that under certain conditions, these engines can produce more soot and toxic chemical compounds often due to poor or clogged air intake.
They explain in the drive for more efficient vehicles, manufacturers and consumers may not be fully weighing up the environmental costs of their new car, with the effects potentially have a worse impact on the climate.
Traditionally, design engineers had to fix a gasoline engine's combustion compression ratio, essentially deciding whether to go for power or economy.
Nissan believes its new petrol engine design, which uses variable compression technology, can deliver the performance of turbo charged petrol engines, while matching the economy of a diesel engine
The new engine uses variable compression technology, which engineers say enables it to choose the best fuel air compression ratio for combustion.
Nissan is confident its new technology could provide a level of performance and efficiency that conventional gasoline van cleef alhambra necklace copy engine have so far struggled to achieve.
Engineers say the new design enables the engine to choose the best fuel air compression ratio for combustion. TheJapanese car manufacturer will unveil its new engine design in an Infiniti model in Paris next month. Pictured is a 2008 Infiniti coupe
NISSAN'S NEW ENGINE TECHNOLOGY The new Variable Compression Turbo (VC T) design enables the engine to choose the best compression ratio for combustion.
Firms have been developing the technology for a number of years, but a number of issues such as vibration and cost remained.
But according to Nissan, its new 2L VC T engine is more than a quarter more fuel efficient than its current 3.5L V6 diesel engine, without skimping on power.
The engine is set to be unveiled at the Paris motor show next month, appearing in Nissan's Infiniti models and possibly Renault models, from next year.
Nissan believes the engine design could replace high end diesel engines in future.
'Diesel engine is a hot topic globally. We believe this new engine of ours is an ultimate gasoline engine that could over time replace the (advanced) diesel engine of today,' said Kinichi Tanuma, a senior Nissan engineer who leads product development for the premium Infiniti brand, speaking to reporters at a van cleef and arpels necklace replica pre launch briefing last month.
'Everyone's been working on variable compression and other technologies to significantly improve gasoline engine fuel economy . at least for the last 20 years or so,' said James Chao, Asia Pacific managing director at consultant IHS.
'Increasing the fuel efficiency of internal combustion engines is critical to automakers. Not all consumers will accept a battery electric vehicle solution.
'But significant challenges remain, such as increased complexity and cost, as well as potential vibration issues.'
The new Variable Compression Turbo (VC T) powertrain, expected to be officially unveiled at next month's Paris motor show, will initially be showcased in an Infiniti car to be unveiled next year, Nissan engineers said, without elaborating.
Eventually, it's expected to be used in Nissan cars and possibly by its alliance partner Renault.
The firm believes the new petrol engine design could replace high end diesel engines in future (stock image)
The turbo charged, 2 liter, four cylinder VC T engine averages 27 per cent better fuel economy than the 3.5 liter V6 engine it replaces, with comparable power and torque.
Nissan says the new engine matches the diesel engine in torque the amount of thrust that helps determine the car's acceleration.
The engine is also cheaper than today's advanced turbo charged diesel engines, Nissan engineers said at the briefing at the company's technical and design center in Atsugi, Japan.
They said it should also meet nitrogen oxide and other emissions rules in certain markets without requiring costly treatment systems.
The compression ratio measures how much the air fuel mix is reduced, or compressed, in the gasoline engine's cylinders before it's ignited and produces energy.
The higher the ratio, the more efficiently the engine van cleef pendant knock off works, producing better fuel economy and, with the addition of a turbo charger, more power.
MORE EFFICIENT, BUT MORE HARMFUL?
A study found under certain conditions fuel efficient engines can be big polluters
Fuel efficient engines aim to deliver more bang for the driver's buck by injecting fuel directly into the engine's combustion chambers.
But a team of researchers in Canada recently found that under certain conditions, these engines can produce more soot and toxic chemical compounds often due to poor or clogged air intake.
They explain in the drive for more efficient vehicles, manufacturers and consumers may not be fully weighing up the environmental costs of their new car, with the effects potentially have a worse impact on the climate.
Traditionally, design engineers had to fix a gasoline engine's combustion compression ratio, essentially deciding whether to go for power or economy.
The Wall