4/10/2024 0 Comments Prius car maintenance checklist![]() Regenerative braking allows the vehicle to harvest some braking energy to recharge the battery and, being a full series-parallel hybrid, it never has to be plugged in. In fact, some of these batteries are reported to reach 200,000 miles. ![]() The battery's charging and discharging are computer-controlled, permanently shallow-cycling it between 40% and 80% capacity, ensuring a long service life. It's generally reliable too, but oil consumption can become a problem with age. It's extremely efficient, though, delivering a 46-mpg combined EPA estimate and qualifying as both a Super Ultra Low Emissions Vehicle (SULEV) and Advanced Technology Partial Zero Emission Vehicle (AT-PZEV) at launch. Either way, the Prius is no speed machine, taking ten seconds to reach 60 mph. Drive to the front wheels is either via the gas engine and continuously variable transmission (CVT), via the electric motor alone, or with both working at the same time for maximum performance. Toyota doesn't say what the combined torque output is. The electric motor contributes 67 hp and 295 lb-ft for combined power output of 110 hp. The naturally-aspirated 1.5-liter 1NZE-FXE inline four-cylinder engine runs the Atkinson combustion cycle and a 13:1 compression ratio to optimize efficiency and develops only 76 hp and 82 lb-ft of torque. ![]() Electric motors: One permanent-magnet AC synchronous electric motorĮngine + electric motor hybrid system output: 110 hp
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