Remove Economy Remove Gas-Electric Remove Gasoline Remove Plug-in
article thumbnail

EIA: fuel economy improvements bring diminishing returns in fuel savings

Green Car Congress

Improving fuel economy exhibits diminishing returns in fuel savings, according to a brief analysis by the US Energy Information Administration (EIA). Similarly, the fuel and cost savings of improving fuel economy from 12 mpg to 15 mpg are the same as increasing from 30 mpg to 60 mpg.

article thumbnail

Volkswagen Millerized 1.5 TSI ACT BlueMotion gasoline engine offers diesel-like fuel economy; derivatives may be applied in hybrid systems

Green Car Congress

Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. Compared with other gasoline engines, the intake valves of the 1.5 Compared with other gasoline engines, the intake valves of the 1.5 l/100 km (49 mpg US). l/100 km/h (59 mpg US).

article thumbnail

Toyota’s new RAV4 plug-in hybrid SUV offers 39 miles AER, 90 MPGe

Green Car Congress

At the Los Angeles Auto Show, Toyota introduced its new plug-in hybrid (PHEV) RAV4 performance model with an estimated 302-horsepower, advanced all-wheel drive, sport-tuned suspension and exclusive design features. liter gas V6 engine that reached 0-60 mph in 6.3-seconds—a liter gas V6 engine that reached 0-60 mph in 6.3-seconds—a

Plug-in 220
article thumbnail

ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

Green Car Congress

However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. —Curran et al.

article thumbnail

Tech: How do Hybrid & Plug-in Hybrid Batteries Recharge? Do I Need to Plug a Hybrid In?

Clean Fleet Report

When the first gasoline-electric hybrids vehicles began arriving in 1999 and 2000, early adopters did their research and were quite knowledgeable about the then-new and revolutionary transportation mode. But the mass market was confused; these new cars had an additional battery to provide electricity to an electric motor.

article thumbnail

EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

Green Car Congress

EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. Click to enlarge.

article thumbnail

Road Test: 2022 Kia Niro Plug-in Hybrid

Clean Fleet Report

One of the challenges Clean Fleet Report takes seriously is to test the EPA fuel economy ratings for the cars, crossovers and trucks we review, knowing efficiency is a top priority when looking to purchase a new vehicle. But with the 2022 Kia Niro Plug-in Hybrid (PHEV) we obliterated the “official” number in our real world driving.

Kia 91