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I drive a Vette.
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Why Inline 6 Cylinders Are Better Than V6 Engines - A Comeback Story

How engine downsizing saved the inline six-cylinder, and why companies like Mercedes are switching from V6 to Inline 6 cylinder engines. Inline six cylinders have many advantages over a V6 engine.

The Mercedes M256 engine is the result of a feel-good engine-downsizing story. You read that correctly, engine downsizing has in fact brought back a very popular engine style to the Mercedes line-up. Since inline four-cylinders are becoming more and more popular, creating an engine variant with two additional cylinders lopped on is a great idea from a production standpoint. But not only does it save on cost, inline-six cylinders have many advantages versus V6 engines. Check out the video for a full breakdown of the differences.
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2012 Chevrolet Volt Energy Efficiency

Weber State University (WSU) - Automotive Technology Department - Advanced Vehicle Systems Lab. A description and demonstration of the energy efficiency the 2012 Chevrolet Volt Extended Range Vehicle. This vehicle combines an Electric Vehicle (EV) for trips 25-52 miles in length with a gasoline-powered generator (40 mpg+) for trips with no length restrictions. The vehicle in this video averages 216 mpg at 65 mph on electricity on EV mode for 82% of the driving. Actual road test efficiencies are shown in this video.

You will benefit the most from the Chevrolet Volt if your daily commuting matches one of the following two conditions:

1. Your round trip commute is less than 35 miles. You will typically not use any gasoline at all. Your power bill will increase approximately $1.00 to $1.50 per commuting day. The vehicle in this video increased the owner's power bill approximately $18.00 per month.

2. Your one-way trip commute is less than 35 miles AND you can plug the Volt in at work to charge the battery for the commute home. You will typically not use any gasoline at all. Your power bill will increase approximately $1.00 to $1.50 per commuting day plus whatever electricity charge your employer charges you.

You can drive farther than 35 miles; you could drive across the U.S.A., but in that driving mode the engine-driven generator will get an EPA estimated 40 mpg. The vehicle in this video averages 40 - 46 mpg at 65 mph on gasoline (which is better than almost every other vehicle on the road today in the U.S.A.).

The Volt always drives using the 360V DC battery charge for the first 25-52 miles (dependent upon driving style and outside temperatures). After the battery energy reaches a low threshold, the internal combustion engine (ICE) will automatically start and drive a generator. The generator powers the two electric motors in the automatic transaxle to propel the vehicle.

The cost of electricity in northern Utah is 9.7 cents per kWh of power. The Volt's 360V battery is a 16kWh battery, but only 10.3kWh of power is used for EV only driving. The cost to charge the battery is 99.91 cents. The remaining battery capacity is for starting the engine in extended range mode. The 10.3 kWh of power can allow you drive 35 EPA rated miles. Assuming you had a car that got an average of 35 mpg, the cost of electricity for the Volt to drive 35 miles is approximately four times less expensive than gasoline in June of 2012. Assuming you had a SUV that got an average of 15 mpg, the cost of electricity for the Volt to drive 35 miles is approximately nine times less expensive than gasoline in June of 2012. The Volt is an expensive car, but if it costs you a lot less for fuel, the overall cost of driving a Volt is quite reasonable.

Be sure to see our two other Chevrolet Volt videos:
1. 2012 Chevrolet Volt High Voltage Battery Charging
2. 2012 Chevrolet Volt Overview

We teach advanced vehicle technologies to our automotive students at Weber State University and online. For more information visit:

This video was created and edited by John D. Kelly at WSU. For a full biography, see

Donate to the Department of Automotive Technology at Weber state University here:
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Why Gas Engines Are Far From Dead - Biggest EV Problems
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Weird Automotive Patents Thankfully Never Went Into Production

Here's a list of weird automotive patents that - thankfully - never made it into production, as compiled and illustrated by Vanarama.
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5 Secrets Car Mechanics Don’t Want You to Know
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The Ford Transit Connect is a compact panel van developed by Ford Europe. It is built on a dedicated commercial vehicle platform and shares parts with the Ford Focus. The first generation was designed by Peter Horbury and introduced in 2002 to replace the older Ford Escort and Fiesta-based Courier van ranges, which had ceased production in the same year. It has been imported to the North American market since the 2010 model year. In North America, the Transit Connect does not have a direct predecessor; the closest vehicle to its size was the standard-length Ford Aerostar cargo van, which ceased production in 1997.
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Harley Davidson