A new electric motor with integrated air-conditioning compressor increases the range of EVs in hot climates, where much of the battery power is used to keep the car cool. Developed by scientists at Nanyang Technological University in Singapore and the German Aerospace Centre, the "2-in-1" motor uses regenerative braking to help operate the AC compressor, and could increase range by 15 to 20 percent with some modifications. "By integrating the refrigerant compressor directly into the electric motor, we save components, weight and cost," says Dr. Michael Schier of the German Aerospace Centre. "Simultaneously, the more regenerative braking part of the kinetic energy is passed directly to the refrigerant compressor and thus the efficiency is further increased." Read more at Green Car Congress, and in the press release below.

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Gulf Racing Fuels will offer fuel blended with renewable isobutanol for marine use and off-road vehicles. The ethanol alternative is approved for sensitive environments, produces fewer emissions, is resistant to moisture and has a lower vapor pressure, making it suitable for boats and ATVs. Gulf will offer a new line of fuels with 16.1-percent isobutanol for these special applications. Gevo, the company supplying Gulf's isobutanol, produces the additive in biorefineries converted from ethanol facilities. Read more in the press release below.
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NTU and German scientists invent award winning 2-in-1 motor for electric cars

Promising new engine undergoing further improvements for eventual commercialisation

Scientists from Nanyang Technological University (NTU) and German Aerospace Centre (DLR) have invented a 2-in-1 electric motor which increases the range of electric vehicles.

This innovative engine integrates the traditional electric motor with the air-con compressor, typically two separate units. This novel, space-saving design allows the use of bigger batteries, which can increase the range of electric vehicles by an additional 15 to 20 per cent.

Prof Subodh Mhaisalkar, Executive Director of the Energy Research Institute @ NTU (ERI@N), said: "The biggest challenge with electric cars in tropical megacities is the range that they can travel on a full-charge, because their batteries are needed to power both the engine and the air-conditioning. In tropical countries like Singapore, up to half the battery's capacity is used to power the air-conditioning system."

The new 2-in-1 design allows the electric motor to be more efficient in powering the car's wheels, while its integrated air-con compressor uses less power due to synergy between the engine and the compressor, which can also tap on energy regenerated directly from the car's brakes.

With the potential boost in range through the efficient use of energy, the joint invention recently won the Best Originality Award in the TECO Green Tech International Contest held in Taiwan.

The competition saw 19 entries from top universities including Boston University, University of California (UCLA), Waseda University, and universities from China and Russia.

NTU's partner, DLR, the German aerospace and space agency will conduct further tests and improvements to the new engine with the aim of eventual commercialisation. The team is applying for a Proof-Of-Concept (POC) grant in Singapore. After the development of the prototype, test bedding and refinements will be done at DLR's facilities in Germany.

Prof Mhaisalkar, said this innovation will pave the way for extending the range of electric cars, as the integrated design combines the two of the most important parts of an electric car, thus reducing its complexity into one highly efficient solution.

"With the global population of electric vehicles set grow rapidly to 20 million in 2020, a more efficient electric motor cum air-con compressor, will enable cars to travel further on a single charge," added Prof Mhaisalkar. "This energy efficiency will in turn reduce overall greenhouse emissions and promote sustainable transportation solutions."

"This integrated design solution for air conditioning will go a long way in reducing the range anxiety of drivers, reduce maintenance costs, and will save time and money for the driver."

For the automobile manufacturers, the new electric motor will also cost less to produce, as it requires less material than its counterparts. Both the weight and size of the electric motor are reduced, creating more space for other components such as an auxiliary battery source.

Dr Michael Schier, from DLR's Institute of Vehicle Concepts, said: "For electric vehicles, the air conditioning uses a lot of electrical energy, thereby cutting down the range of electric cars by up to 50 per cent. To increase the energy efficiency and therefore the range of electric cars, the thermal management and the integration of additional functions into existing powertrain components play a major role."

"By integrating the refrigerant compressor directly into the electric motor, we save components, weight and cost. Simultaneously, the more regenerative braking part of the kinetic energy is passed directly to the refrigerant compressor and thus the efficiency is further increased," added Dr Schier.

Research scholar Mr Satheesh Kumar from the Energy Research Institute @ NTU said his award-winning, integrated electric motor challenges conventional design that goes way back to the 1960s when air-conditioning first became popular.

"Back then, air-conditioning was something new that was an add-on feature to a car's combustion engine," said the 29-year-old Singaporean.

"Since we are now designing electric vehicles from scratch, I see no reason why we should keep both units separate. As we have proven, combining the two gives us synergy – a more efficient use of electricity and it also improves engine braking, which stops the car faster with lesser wear on the brake pads."‚Äč

This research is part of NTU's focus on sustainability research. Sustainable Earth and Innovation are two of NTU's Five Peaks of Excellence, which are areas of research that the university hopes to make its global mark in. The other three peaks are Future Healthcare, New Media, and the Best of East and West.


Gulf Racing Fuel offers new line of fuels using renewable isobutanol

HOUSTON, TX: Gulf Racing Fuels has contracted to purchase isobutanol from GEVO for Gulf's new line of off-road fuels containing 16.1% isobutanol. The new fuels will meet Gulf's requirement for an off-road fuel that is oxygenated and EPA approved for use in sensitive environments.

Initially, Gulf will create three new fuels that will target marine uses and all-terrain vehicles (ATV). All will use the 16.1% isobutanol as the platform for the new line of fuels. The fuels are designed for engines that are required to use and EPA approved fuel but suffer from problems involving ethanol.

"The isobutanol is moisture resistant and has a lower vapor pressure than ethanol. It also renewable and reduces emissions. That is why we selected GEVO's isobutanol over other alternatives. We set out to innovate a fuel that is unlike any fuel on the market today," said Jess Hewitt of Gulf Racing Fuels.

About Gulf Racing Fuels

The "legend is back." Gulf Racing Fuels has returned to the track with its new racing fuels designed for the legendary vintage and historic racing cars as well as the latest racing and street cars. Gulf Racing Fuels include high octane unleaded and leaded fuels as well as marine and small engine fuels featuring isobutanol. All fuels are distributed nationally by HYPERFUELS based in Houston, Texas

About Gevo

Gevo is a leading renewable chemicals and next-generation biofuels company. Gevo's patent-protected, capital-light business model converts existing ethanol plants into bio-refineries to make isobutanol. This versatile chemical can be directly integrated into existing chemical and fuel products to deliver environmental and economic benefits. Gevo has executed initial commercial-scale production runs at its isobutanol facility in Luverne, Minn., constructed in conjunction with ICM, a leading provider of proprietary ethanol process technology, and has a marquee list of partners including The Coca-Cola Company, Toray Industries, and LANXESS, Inc., an affiliate of LANXESS Corporation, among others. Gevo is committed to a sustainable bio-based economy that meets society's needs for plentiful food and clean air and water. For more information, visit www.gevo.com.


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