Niagara Gazette

Columns

December 12, 2013

TOM'S CORNER: The ins and outs of diesel fuel

Niagara Gazette — A few weeks back I wrote an article on the major differences between gas and diesel vehicles entitled “Diesel 101.” This week, in my ongoing effort to educate you on diesel vehicles I will cover the topic of the fuel such vehicles use ... Diesel fuel! Read on.

Diesel fuel energy density and rating at the pump

When crude oil is processed at refineries, it is separated into several different kinds of fuel. At U.S. refineries in 2012, a 42-gallon barrel of oil typically delivered 19 gallons of gasoline, 11 gallons of diesel fuel, and lesser quantities of jet fuel, home heating oil, kerosene, liquefied petroleum gas and other distillates. Diesel fuel produced for vehicle use is sometimes called “diesel oil” or No. 2 diesel. Kerosene, which is chemically similar but more highly refined and less viscous, may also be referred to as No. 1 diesel.

Diesel fuel is heavier and oilier than gasoline, and it supports compression ignition with an auto ignition temperature (the temperature at which a substance will burn without exposure to an external flame or spark) of just 410° F compared to 536° F for gasoline. Diesel fuel also has a higher energy density than gasoline. One gallon of diesel contains approximately 17.6 percent more energy – 147,000 British Thermal Units (BTUs) compared to 125,000 BTUs for gasoline. This additional fuel energy is one of several reasons that diesel engines get better fuel economy than their gasoline counterparts.

Diesel fuel is normally sold in a single grade whose quality is identified by a cetane number that expresses the fuel’s ability to ignite when sprayed into hot compressed air. Higher cetane diesel fuel typically provides smoother operation and a reduction in engine noise. On-road diesel fuel in the U.S. must have a minimum cetane number of 40, although most pump diesel is in the 42 to 45 range. “Premium” diesel fuels with higher cetane numbers and a variety of special additives are sold in some markets. Diesel fuel in California typically has a higher cetane number due to some unique fuel blending requirements in that state.

Text Only | Photo Reprints
Columns
  • NIA Bradberry, Bill mug BRADBERRY: Tourists attracted here by history, beauty, politics As my friend and colleague, writer Don Glynn has so artfully portrayed over the decades, "For many years after the dawn of aviation, U.S. presidents visiting Western New York started at the Niagara Falls Airport. The reason: The main runway here was longer than that of the Buffalo airport and could easily accommodate Air Force One, the presidential aircraft."

    July 23, 2014 1 Photo

  • NIA Confer, Bob mug CONFER: A constitutional convention is not the answer For the past few years it has been popular for folks of the right persuasion (Republicans and neoconservatives) to call for a constitutional convention ("Con-Con") in hopes of passing a balanced budget amendment (BBA.) A lot of people have jumped on that bandwagon; no doubt your email inbox or Facebook news feeds have shown that.

    July 22, 2014 1 Photo

  • NIA Scheer, Mark mug CITY DESK: Hobel will be missed

    Lost in all the hoopla surrounding last week’s announced retirement of state Sen. George Maziarz, R-Newfane, was the loss of another well-known figure in local government and politics.

    July 21, 2014 1 Photo

  • NIA Higgs, Norma mug HIGGS: More pastors, a new church and more of everything Before I go further back in time, I want to just go back to last week where I took my own advice and spent a couple of hours at the Como, where I enjoyed one of their traditional "parade of bowls and plates of great salads, pasta and meat dishes" and listened to longtime friends of Tom Darro roast him with humor, accolades and best wishes. And best of all no one who came to the microphone mentioned garbage totes or carts. It was a welcome relief.

    July 21, 2014 1 Photo

  • NIA Glynn, Don mug GLYNN: Border Patrol chief examines deadly acts A former Buffalo police chief now has the formidable task of reviewing cases where border agents have used deadly force.

    July 20, 2014 1 Photo

  • SINGER: Nostalgia for nostalgia: Where will it end? Not only has there been a huge nostalgia boom in America, but we're now getting to the point where there's much nostalgia for nostalgia! Maybe signifying that nostalgia will wear itself out, or, as in the old adage, that it ain't what it used to be?

    July 20, 2014

  • NIA Smith, Doug and Polly LETTERS FROM THE ISLAND: Driven to distraction by recent incidents For reasons best left unexplained, Doug drives home from Niagara Falls at twilight many nights, usually alone. It's about 10 miles, 15 minutes, from pressbox to driveway. He exits I-190 at the Beaver Island ramp, hugging its right edge in deference to any mainstream traffic, which would be coming downhill from the left at a 140-degree angle.

    July 19, 2014 1 Photo

  • NIA Hamilton, Ken mug HAMILTON: Council, administrative hypocrisy, and that is the gospel truth If there isn't a walk-on resolution on the Niagara Falls City Council's upcoming last agenda before the August recess to change the zoning back to what it was prior to the South End Niagara Gospel Rescue Mission opening its hearts and doors, then the city council should just cease its hypocritical practice of even saying prayers before the meeting.

    July 18, 2014 1 Photo

  • NIA Glynn, Don mug 071714 GLYNN: Hochul retains a low profile as running mate If you're still not convinced that politics makes strange bedfellows, consider the report claiming Gov. Andrew M. Cuomo has been keeping his running mate out of the spotlight.

    July 17, 2014 1 Photo

  • NIA DeLuca, Michele mug DELUCA: Chiropractic doc wants to help area vets

    The idea came to her when she was running a half-marathon in June. Kristin Jacobsen is that type of person. The Pine Avenue chiropractor says she gets her best ideas when she runs. She also uses that time to pray.

    July 16, 2014 1 Photo

Featured Ads
House Ads
AP Video
Ariz. Inmate Dies 2 Hours After Execution Began Crash Kills Teen Pilot Seeking World Record LeBron James Sends Apology Treat to Neighbors Raw: Funeral for Man Who Died in NYPD Custody Migrants Back in Honduras After US Deports Israeli American Reservist Torn Over Return Raw: ISS Cargo Ship Launches in Kazakhstan Six Indicted in StubHub Hacking Scheme Former NTSB Official: FAA Ban 'prudent' EPA Gets Hip With Kardashian Tweet Bodies of MH17 Victims Arrive in the Netherlands Biden Decries Voting Restrictions in NAACP Talk Broncos Owner Steps Down Due to Alzheimer's US, UN Push Shuttle Diplomacy in Mideast Trump: DC Hotel Will Be Among World's Best Plane Crashes in Taiwan, Dozens Feared Dead Republicans Hold a Hearing on IRS Lost Emails Raw: Mourners Gather As MH17 Bodies Transported Robot Parking Valet Creates Stress-free Travel Raw: Fight Breaks Out in Ukraine Parliament
Opinion
House Ads
Night & Day
Twitter News
Follow us on twitter
Hyperlocal Search
Premier Guide
Find a business

Walking Fingers
Maps, Menus, Store hours, Coupons, and more...
Premier Guide
Front page