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Technologies of Hybrid Electric Vehicle (HEV) are key part of technologies for automotives to realize fuel saving targets for 2025 and 2030, therefore it is essential to comb the technologies and obtain deep insight in HEV.Based on the study of the whole life cycle carbon emission management, the direction of energy-saving vehicle hybrid technology is proposed. Combined with the latest research results of the industry, this paper aims to sum up the vehicle fuel consumption reduction target and realization technology path. In the process of vehicle fuel saving analysis, through the establishment of P2.5 single-motor hybrid, series dual-motor hybrid, single-gear hybrid dual-motor hybrid and planetary hybrid dual-motor hybrid mainstream application scheme hybrid model, the fuel saving effect of each special hybrid transmission scheme is obtained. According to the actual hybrid special engine models with different thermal efficiency, the relationship equation between engine thermal efficiency and vehicle fuel consumption is established, and then the energy-saving vehicle technology scheme meeting 2025 and 2030 is obtained so as to provide a reference for the selection of vehicle technology scheme.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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