Shell is presenting an adaptation of Gordon Murray’s T.25 capable of achieving great efficiency.

In 2010, Gordon Murray Design introduced the very frugal T.25 city car which used a prototype oil developed by Shell to boost the vehicle’s energy efficiency. Now, after years of development, a “total rethink” of the car aims to take frugality to a new level by using around half of the energy needed to build and run a car that has a similar size.

It tips the scales at just 1,212 pounds (550 kilograms) and has an aerodynamic body with a drag coefficient of only 0.29. Interestingly, recycled carbon fiber was used for the body’s construction which according to Shell can be assembled for a quarter of the price of a conventional car featuring a steel body. Moreover, almost the entire car can be recycled at the end of its life cycle.  

Shell was in charge of providing all of the car’s fluids, including the bespoke motor oil for the three-cylinder, 0.66-liter gasoline engine which was redesigned and optimized by Osamu Goto’s group at Geo Technology.

During testing, the three-seater Shell Concept Car managed to return an impressive 89.1 mpg US (107 mpg UK or 2.64 liters / 100 km) at a steady speed of 45 mph (70 kph). Thanks to the bespoke lubricants, CO2 emissions were down by 4.67g CO2/km on the New European Driving Cycle (NEDC), resulting in a fuel efficiency increase of 5 percent.

Ok, so it’s not exactly a looker, but the concept wasn’t developed to win beauty awards. It was engineered to be one of the most efficient cars out there powered solely by a combustion engine. That being said, at this point there’s no word regarding the possibility of seeing a production version.

Source: Shell

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