article thumbnail

Chevy Cruze diesel’s variable-swirl mechanism

Green Car Congress

The 2014 Chevrolet Cruze Clean Turbo Diesel’s ( earlier post ) 2.0L In a study published in 2000, Dr. Paul Miles at Sandia National Laboratories found that: Swirl ratio is found to exert a measurable influence on most of the combustion process, from ignition to late-cycle oxidation. The basic concept of GM’s variable swirl mechanism.

2000 247
article thumbnail

EcoMotors Names Donald Runkle CEO; Power Density as the Holy Grail

Green Car Congress

As Delphi’s Executive Vice President from 2000 to 2003, Runkle was responsible for the $14 billion Dynamics and Propulsion Systems Sector, where he acquired significant new business and led more than $4 billion of worldwide M&A venture transactions.

Power 218
article thumbnail

Road Test: 2022 Kia K5 GT 2.5L

Clean Fleet Report

at 24 mpg city/32 highway/27 combined while running on 87 octane. The K5 is more than a replacement for the Optima, which had been Kia’s midsize sedan stalwart since 2000. Road Test: 2019 Chevrolet Malibu. We also feature those efficient gas-powered vehicles that are among the top mpg vehicles in their class.

Kia 76
article thumbnail

2015 VW Jetta TDI: a more refined, powerful and efficient diesel within a nicely redesigned model line

Green Car Congress

TDI Clean Diesel EA288 engine ( earlier post ) with an EPA-rated highway fuel economy rating of 46 mpg with the manual transmission (45 mpg automatic). However, given our recent look at the Chevrolet Cruze Diesel (the contender, earlier post ), we wanted to focus on the latest version of the US diesel leader. 2014 Jetta TDI.

2015 262
article thumbnail

EV Briefs, and Black Rock City & EVs

Plugs and Cars

The plug-in Priuses are almost doubling the fuel efficiency of Google standard Prius fleet, getting 74 MPG rather than 41 MPG. That's great, but because most driving down Silicon Valley way is on the freeway for rather short distances, the plug-ins don’t do much all-electric driving and the MPG isn't approaching the much touted 100MPG.

NiMH 100
article thumbnail

Road Test: 2021 Hyundai Santa Fe Calligraphy 2.5T AWD

Clean Fleet Report

The EPA has rated the fuel economy at 21 mpg city/28 highway/24 combined. Cracking 30 mpg on the open road with a midsize AWD was a nice surprise, but it really shouldn’t be that big of deal as Clean Fleet Report feels all AWD cars, at a minimum, should get 30+ mpg on the highway. non-turbo, rated at 25/28/26 mpg.

Hyundai 69
article thumbnail

GM Says Chevrolet Volt Won't 'Pay the Rent' | Autopia from Wired.com

Tony Karrer Delicious EVdriven

It offers 18 models that deliver 30 mpg or more. Photo: General Motors See Also: Feds Say the Volt Wont Save GM Well See a Chevrolet Volt in June Design Under Constraint: How to Build a Streamlined, Mass-Produced Electric Car Stumble ShareThis Claiming that GM has 18 models that get 30 mpg or more is a bit of a false dichotomy.

Volt 41