Engine Smarts

21  -  40  of  61

April 12, 2012

Cutting Fuel Use by Recovering Waste Heat

Very quietly, Cummins Turbo Technologies offered a glimpse of its advanced waste-heat expander prototype at the Mid-America Trucking Show recently

March 8, 2012

On the Horizon: New Engines, New Fuels

From a seminar on sustainable transportation at the Sweden House in Washington, D.C., on Wednesday, a glimpse over the horizon, such as a camless engine and turning waste into fuel

March 6, 2012

Big 3 Going for CNG-Gasoline Bi-Fuel Systems in Pickups

Detroit's Big Three light-truck builders are embracing compressed natural gas, if not as the dominant fuel of the future then as a major alternative to gasoline and diesel

February 26, 2012

Some Cleaner Diesels Unreliable, Expensive, Say Fleet Execs in TMC 'Report Card'

Some clean diesels of the 2000s have been disruptively unreliable and most are discouragingly expensive, but performance has improved as manufacturers try hard to fix them, said fleet executives at last week's annual meeting of the Technology & Maintenance Council

February 12, 2012

Vertical Integration Yields More Profits, Navistar Executives Tell Stock Analysts

Does it make sense for a truck builder to limit customers' engine choices to just one line of products? It does if the engines are its own, because it makes more money. That is among the assertions made by Navistar International Corp.'s top executives to stock market researchers during the company's annual Analysts Day Feb. 1 at its shining and sprawling new headquarters in Lisle, Ill., west of Chicago.

January 30, 2012

Top Dealers Talk about 2010 Engines

So far, the new engines built to meet the Environmental Protection Agency's 2010 emissions mandate are performing far better than their EPA-2007 predecessors. That was the consensus of this year's nominees for the American Truck Dealers/Heavy Duty Trucking Truck Dealer of the Year

January 22, 2012

'Tall' gearing and a big engine deliver 12 mpg in a Class 7 truck, expedited-freight hauler claims

"Tall" gearing and a large engine are giving an expedited freight hauler the high fuel economy he sought, even if most factory engineers won't approve his spec'ing requests

January 9, 2012

Engines: Pistons Still In, But Think Outside the Block

The engine of the future is probably the one under the hood or cab of your current truck

December 20, 2011

Parked Next Door: A Study in Engine Apps

The other day, a remodeling contractor was working at the next-door neighbors' house and I eyeballed the two trucks that he sent his workers and supplies in

December 5, 2011

Tell TMC About Your Engine Experiences

Our Engine Smarts item and November HDT column on complaints about 2002-2010 diesels ("What's Happening with Engines?") hit a proverbial nerve, because we got a healthy amount of reader response

November 2, 2011

Retrofittable XL Hybrid Brings Fuel Savings to Existing Light Trucks

Hybrid drive systems usually have to be part of a new car or truck, and usually they're expensive. But XL Hybrids of Boston is coming up with one that can be installed on new or existing vehicles at a moderate cost

October 27, 2011

Report: Unlikely U.S. Can Meet Cellulosic Biofuel Mandates

Some U.S. biofuel mandates can't be reached, according to a new report from the National Research Council. At least not without major technological innovations or policy changes

October 4, 2011

Good stories countered by complaints at TMC's Fleet Talk

What's going on with the latest diesels? The answer depends on who's doing the talking

August 25, 2011

Don't Forget to Factor DEF into Fuel Costs

2010-model diesels are running well and turning in better fuel economy than their EPA-'07-spec predecessors, according to reports we've heard at industry meetings and in conversations with fleet managers

August 17, 2011

TMC's Type IV fuel economy test rewritten with aftertreatment in mind

How does the fuel-fed regeneration of diesel particulate filters affect overall fuel economy?

July 10, 2011

All You Need to Know About 'B Numbers'

To many customers, reliability and durability are as important as pulling ability. They should look at an engine's "B" rating

July 6, 2011

More about methane

Just over a week ago I 'penned' a brief column on the European launch of Volvo's new 'MethaneDiesel' FM tractor. It needs a little expansion

June 27, 2011

Volvo Launching MethaneDiesel Truck in Europe

Volvo Trucks in Sweden is about to be the first to market a methane-powered truck for long-haul operations in Europe

June 16, 2011

Another company developing fuel-efficient, opposed-piston engine

Earlier this year, we wrote about the OPOC engine from EcoMotors. Since then, we've discovered another opposed-piston engine, from Achates Power in San Diego

May 13, 2011

An Eastern Star?

Amidst endless chatter about electric power and even fuel cells, the good old internal combustion engine clearly isn't going away any time soon


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