Hybrid cars are significantly more fuel-efficient in India and China than in the US due to traffic and driving conditions in these countries, a new study by Indian-origin scientists has found.
“What makes cities in India and China so frustrating to drive in – heavy traffic, aggressive driving style, few freeways – makes them ideal for saving fuel with hybrid vehicles,” according to researchers at the US Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab).
In a pair of studies using real-world driving conditions, researchers found that hybrid cars are significantly more fuel-efficient in India and China than they are in the US. These findings could have an important impact in countries that are on the brink of experiencing an explosion in the sales of personal vehicles, researchers said.
“Currently greenhouse gas emissions from the transportation sector in India and China are a smaller piece of the pie compared with other sectors,” said lead researcher Anand Gopal. “But vehicle ownership is going to skyrocket in these countries. That is why we decided to focus on this area. Hybrid and electric vehicles can significantly reduce carbon emissions and other pollutants,” said Gopal.
Hybrids in India are also more fuel-efficient than they are officially rated for, researchers said. “With the official fuel economy test procedure currently used in India, fuel savings for hybrids are fairly grossly underestimated, showing only a 29 per cent savings over conventional vehicles,” Gopal said.
- Soon You Could Get Plastic Currency Notes: Find Out More
- Ranveer Singh and Vaani Kapoor Starrer Befikre Gets A Thumbs Up
- Supreme Court Seeks Centre’s Response Over Various Issues Regarding Demonetisation
- Defence Minister Manohar Parrikar Writes To West Bengal CM Mamata Banerjee
- Bigg Boss 10 December 8 Review: Swami Om Feels Cheated, lashes Out At Gaurav For Jail Punishment
- South Korean President Park Geun-Hye Impeached Over Corruption Scandal
- Former Air Chief SP Tyagi Arrested In VVIP Chopper Scam
- After Congress Vice President Rahul Gandhi, Liquor Baron Vijay Mallya’s Twitter Account Hacked
- Find Out What PM Narendra Modi Told Cabinet Over Demonetisation Decision
- Home Minister Rajnath Singh Assures Safety Of All Tourists Stranded On Havelock Island
- Government To Waive Service Tax On Debit, Credit Card Transactions Of Up To Rs 2,000
- President Pranab Mukherjee Criticises Parliament Disruptions Over Demonetisation
- Pakistan International Airlines Flight Carrying Over 40 Passenger On Board Crashes
- Shah Rukh Khan On Raees Clash With Kaabil: It’s Impossible To Have A Solo Release In India
- US-President Elect Donald Trump Named TIME’s Person Of The Year 2016
“The test cycle is not representative of driving conditions in India, so that’s sending the wrong signal to the consumer,” said Gopal. Gopal, working with Berkeley Lab scientists Samveg Saxena and Amol Phadke, used a power-train simulation model called Autonomie to create a hypothetical hybridised version of the top-selling conventional car in each country.
Researchers simulated drive cycles in two Indian cities (New Delhi and Pune) taken from published studies and also used the Modified Indian Drive Cycle, the test for the official fuel economy rating.
In China they simulated drive cycles in 11 cities and with three types of hybrid power-trains (start-stop, parallel and power-split). In both cases they compared it to drive cycles used for US fuel efficiency ratings, which include about 55 per cent city driving and 45 per cent highway driving.
They found that driving a hybrid would achieve fuel savings of about 47 to 48 per cent over a conventional car in India and about 53 to 55 per cent in China. In the US, hybrids are rated to produce a fuel savings of about 40 per cent over their conventional counterparts.
Currently hybrid and electric vehicles have a tiny share of the market in India and China and are seen as a higher-end product, researchers said. The results appear in the International Journal of Power trains.