Volvo's Drive-E engines have an ECO mode. BMW's ECO PRO supports an "extra-efficient and economy-conscious driving style that can help reduce fuel consumption by an average of up to 20%, with a corresponding increase in driving range." Which begs the question: Why did the owner buy a BMW in the first place? The four available modes are ECO PRO, Comfort, Sport and Sport +. It also institutes a reduction in the HVAC system to reduce its impact on total efficiency.īMW supplies a Driving Dynamics Control Switch, allowing the driver to set the ride, handling and drivetrain behavior of the car through a single rocker switch located on the center console near the shift lever. When engaged, the Eco mode will maximize fuel efficiency by changing the throttle input, making that input less sensitive, more smooth. Toyota's hybrid models have an Eco drive mode button, helping to reduce fuel consumption during trips that involve frequent accelerating. If activated, you'll see reduced acceleration, air conditioning and – potentially – a louder engine note. As with competitive systems, when engaged it increases efficiency by altering throttle and transmission behavior. Kia's offers what it calls an Active Eco System in their Honda won't attribute a percentage improvement because, as they indicate, there are simply too many variables. Allowing more variation saves energy as well." So the climate control will be slightly less aggressive in maintaining a set temperature (this saves energy) and the cruise control will also be slightly less aggressive in maintaining a set speed. The drive-by-wire throttle system provides more gradual response and, to save additional energy, the climate control's fan speeds are lowered incrementally, while other climate control system characteristics are altered based on the conditions. "When the ECON mode is activated, several operating characteristics of the vehicle are modified for enhancedįuel efficiency. Honda's ECON mode is – as you might expect – a sophisticated answer to a relatively simple question. The company doesn't quantify the improvement, simply taking the position, per their representative, "that it's a driving aid to help economical driving." Mitsubishi is equipped with 4WD it puts the car into 2WD mode. We're told that, when activated, it changes acceleration characteristics, reduces AC control, and if the MITSUBISHI: Yes, Mitsu offers an Eco mode button. Here's the rundown, in no particular order: Anyway, we think we know, but to better know we consulted product reps from a handful of car companies that should know. You could safely assume that engaging an 'eco' button would be in some way more environmentally sensitive (i.e., green) than operating your car without having 'eco' engaged. And when you do find your car's 'eco' button – if so equipped – you might logically wonder just what it does. Inevitably, it's out of your line of sight.
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