Over the past 50 years, automakers have invested billions of dollars to produce more fuel-efficient cars, and experts have conducted numerous reports on gasoline-saving.
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Engine technology research and development has enabled the car to reach 300 horsepower and travel more than 30 miles (48 kilometers) per gallon (3.8 liters) of gasoline on the road. But so far, all major fuel efficiency improvements have been made at the factory, not on the road.
According to Digital Trends, this situation will soon change, because one person has solved the problem of how to use real-time information to save gasoline and pass the red light faster. Once you understand how it works, you will find that this is actually the simplest thing in the world.
getting information
In modern times, traffic lights are managed by the government's traffic management center. At any time, the traffic management center knows which traffic lights are red, which are green, and when they change.
All of this data is readily available, so why not use that data to meet our needs? This is Matt Ginsberg's solution for Connected Signals, Oregon. “We make driving safer, fuel efficient and easier,†he said.
The technical principle is this: the traffic lights send the current status information to the traffic management center, and the data is packaged and sent to Connected Signals. Connected Signals processes the data and pushes it to the user.
To give users access to this information, Connected Signals has developed a mobile app that detects the user's location and driving direction, calculates the time the user is driving to the next traffic light, tells the user the current traffic light color and the time to change the color.
Ginsberg said, "We created predictive data streams based on our own secret weapons. Using 10,000 traffic lights to make predictions in real time is very challenging. We like this challenge."
Simplify information
Digital Trends said that it is clear that users running another app on their mobile phone while driving are not the perfect solution. No user wants to catch up with the car in front when watching the phone. So the EnLighten app lets the user know if he can pass the next traffic light or the red light turns green when the sound or simple logo is used. The EnLighten app will even make a second sound before the traffic light turns green, letting the user know that it is ready to start.
This is only the first stage, and the second stage is better. BMW integrated the iOS EnLighten app into its car via a navigation system. "The most challenging way to integrate EnLighten applications in a secure way is that we only show the most important information," said Christian Schmid, senior senior technical engineer at BMW.
While the EnLighten app is running, the display on the car shows the color of the traffic lights in front of the car and a countdown card that indicates when the traffic lights change color. Depending on the current location and speed of the car, BMW will advise the user to stop waiting for a traffic light or to move on.
BMW integrates EnLighten and even detects the status of the turn signals to determine whether to provide the user with traffic lights in front or in the direction of the turn. The good news is that BMWs that support any of the BMW Apps options will support EnLighten, which means users can install and use EnLighten as early as 2011.
So unbelievable?
Digital Trends said that like any other new technology, EnLighten is also difficult at the beginning. The biggest challenge it faces is that governments are reluctant to share their information.
Ginsberg said, "It is very difficult to cooperate with the first city. Currently we are getting data from 100 towns. The city is not willing to be the first to eat crabs, but it is not willing to bottom. I expect that by the end of 2016, We will work with 50% of US cities."
The second big challenge is to integrate data into more vendors' products, as well as Apple CarPlay and Android Auto platforms. This is what customers need, and as this feature becomes more popular, customer demand should grow rapidly.
Save time and save fuel
How does this relate to improving fuel efficiency? Digital Trends points out that users will naturally change their driving style when they know what will happen soon. Freelance writer Jeff Zurschmeide test drive a BMW that supports EnLighten. When he knows that the green light in front will soon turn red, he will release the throttle and let the car slide. Go to the traffic lights. If you know that the traffic light is about to turn green, he will keep driving at the original speed - not slow down and then re-accelerate. Knowing the changes in the traffic lights, he passed every traffic light smoothly and quickly.
The benefits of this information are mainly for individuals, but as more and more drivers know about the changes in traffic lights in advance, they will have a cumulative effect. Drivers using the EnLighten system can increase fuel efficiency by 7%-10% in the city. Ginsberg and BMW believe that global drivers can save 30 billion gallons (113.6 billion liters) of gasoline a year. Ginsberg said, "This is enough to have a major impact on climate change."
Next stage
The application of predictive red light technology is not limited to changing the driving habits of users. When a car can get data on when the red light turns green, it can make better decisions about engine start/stop, regenerative braking, and even engine output.
Schmidt said, "This is only the first step in a lot of technology for smart city interaction with cars. We can more intelligently predict which lane the user should drive in. This is the next step in developing a fully connected car. It is our future. Strategic Direction."
Apple iOS and Android users can download and use the EnLighten app for free.
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