Nowadays, the automobile industry pays attention to environmental protection and energy conservation, and the new energy that comes out at the right time has become a hot spot, so what is the development direction of automobile technology?
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Hydrogen power
Product: BMW Hydrogen Sedan Hydro-gen 7
Technical highlights: equipped with a 6.0-liter V12 engine capable of using liquid hydrogen fuel and gasoline, with a maximum output of 191 kW / 260 hp, a maximum torque of 390 Nm, and an acceleration from 0 to 100 km/h in 9.5 seconds. The electronic speed limit is 230km/h.
Reality prospects: Under the coordination of the BMW Group Research and Technology Center, 10 European partners have successfully completed the hydrogen fuel internal combustion engine project (HyICE). The project was initiated and promoted by the European Commission and developed a hydrogen fueled internal combustion engine. With an engine power of 100 kW, HyICE experts have proven that this engine has future-oriented technology, performance and cost advantages.
Biofuels
Product: Saab 9-3 bio-powered vehicle, can adapt to gasoline, ethanol mixed fuel mixed in any proportion.
Technical highlights: The turbo engine is equipped with an advanced Trionic engine management system that can detect the mixing ratio of the vehicle fuel at any time and automatically adjust it. It is the only turbine engine on the market that can adapt to different fuels.
E85 bioethanol fuel (85% bioethanol, 15% gasoline) has a higher octane rating than gasoline fuel, and Saab's bio-powered turbine engine can pass higher intake pressure and more advanced ignition timing technology. This results in more powerful power without the risk of “knocking†or “pre-knockingâ€.
Reality prospects: Biofuels are a renewable resource that can be extracted from a variety of crops.
Compared to gasoline or diesel, bioethanol fuel does not increase the carbon dioxide content of the main greenhouse gases. Because the carbon dioxide emitted by the car has been absorbed during the growth of crops that extract bioethanol fuel.
Hybrid
Products: The Chevrolet Tahoe Dual-Mode Hybrid and the Saturn Aura Green Hybrid are equipped with dual-mode hybrid technology and BAS hybrid technology.
Technical Highlights: Driving in urban conditions, Chevrolet Tahoe takes into account the SUV consumer's pursuit of power performance, fuel economy up to 50%. At low speeds, the Chevrolet Tahoe uses pure electric power to interrupt the supply of fuel to the engine as the car decelerates. The overall fuel consumption is 30% higher than that of ordinary products.
BAS Hybrid is a mild hybrid technology that combines both belt drive start and generator technology. The BAS hybrid system can shut down the engine in time when it stops, and interrupts the fuel supply to the engine early when decelerating. When it accelerates, it drives the onboard 2.4-liter 4-cylinder engine by electric power. At the same time, it can also recover the braking energy, Saturn Aura has at least 25% improvement in fuel economy compared to the traditional internal combustion engine model.
Realistic prospects: BAS hybrid technology has the lowest transformation cost for existing internal combustion engine vehicles, and can meet the urgent needs of the current market for hybrid technology applications. BAS technology will also be used in hybrid vehicles produced in Shanghai in 2008.
The fuel cell
Product: The Chevrolet Equinox fuel cell vehicle uses GM's fourth-generation fuel cell system, with an acceleration time of 0-100 km/h as long as 12 seconds.
Technical Highlights: The Chevrolet Equinox fuel cell stack consists of 440 series cells with an electric output of up to 93 kW. Driven by a 73 kW synchronous motor, this predecessor has a top speed of 160 km/h.
The Chevrolet Equinox fuel cell vehicle has a design life of 2 years or 80,000 kilometers. Equinox fuel cell vehicles can be started and operated normally in climatic conditions below zero degrees Celsius.
Its hydrogen fuel storage unit has a maximum hydrogen fuel storage capacity of 4.2 kg. These fuels are sufficient to support a maximum mileage of 320 kilometers.
Reality prospects: The demand for platinum alloys in the fifth generation of fuel cells has been greatly reduced. If the output of the internal combustion engine is reached, the cost of the fifth generation fuel cell will approach the internal combustion engine. It has become possible for fuel cell vehicles to enter commercial use.
Electric drive
Product: The Chevrolet Volt uses GM's fifth-generation fuel cell propulsion technology and lithium batteries.
Technical highlights: With pure electric mode, the Volt can travel about 60 kilometers on a city road without consuming a drop of fuel and emitting a trace of exhaust.
Reality: The Chevrolet Volt is equipped with a new E-Flex system that draws energy from gasoline, ethanol, biodiesel or hydrogen, which allows us to customize the propulsion system to meet specific requirements and market-specific infrastructure.
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