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New Generation Wide Base Single Truck Tire. WASHTO Spring COHT Meeting March 10, 2009 Albuquerque, NM. Stan Lew Industry Standards & Government Regulations Michelin North America, Inc. NGWBS Tire Technology. Michelin ® – XOne ®

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new generation wide base single truck tire

New Generation Wide Base Single Truck Tire

WASHTO Spring COHT Meeting

March 10, 2009 Albuquerque, NM

Stan Lew

Industry Standards & Government Regulations

Michelin North America, Inc.

ngwbs tire technology
NGWBS Tire Technology
  • Michelin® – XOne®
    • Over-the-road truck/trailer, dolly, motorhome, dump, logging, waste hauling, bus.
    • > 500,000 wheel positions fitted today.
  • Bridgestone – Greatec
  • Continental – HTL1
  • Others – in development
ngwbs regulatory issues re cap
NGWBS Regulatory IssuesRe-cap
  • State regulatory issues
    • State permit-issued operation (O/S, O/W, LCV)
      • “... each axle (non-steering) must have 4 tires ...” (OR, SD, OK)
      • “... two tires at each end of each axle ...” (FL, KS, NY)
      • “... minimum axle width ...” (CA)
      • 500 lpi (MT, NV (600 lpi tentative), SD, UT, WA)
      • 2-axle 35’ - 45’ bus (TX)
  • Responded questions
    • Tire/pavement contact stresses (AL-Qadi & NCAT studies)
    • Traction (snow traction data NGWBS v duals, users)
    • Stability (SAE and ORNL reports, user feedback))
    • “Limping” (FMCSR 393.75 on no vehicle/flat tire operation)

Proposal: MHTA model single tire 600 lpi/SW ≥ 15” legislation (or 550 lpi).

ngwbs u s states lcv oversize overweight permitted operations gvw 36 364 kg 80 000 lbs
NGWBS - U.S. StatesLCV Oversize/Overweight Permitted Operations(GVW > 36,364 kg/80,000 lbs)

Alaska

DC

Hawaii

Forms of State restrictions

Resolution ( work in progress)

CA tractor track width

ngwbs florida
NGWBS - Florida
  • Admin. Code 14 - 26 - "Tire Requirements“
    • Statewide application (v original change for FL Turnpike).
    • “Public Workshop” March 6, 2009.
california tpm chap 3 axle width minimum 96 v track width
California - TPMChap. 3Axle Width Minimum = 96” v Track Width

71.5”

0” offset

TPM min. = 96”

74.6”

2” offset

94”

Michelin NGWBS axle width minimum proposal:

- “... for NGWBS tires the minimum axle width shall be 93 inches to qualify for extralegal weight....”.

california air resource board ab32
California Air Resource Board - AB32
    • GHG regulation based on the U.S. EPA"Smartway Truck Efficiency" program.
  • - Objective for Class 8 tractor/trailer 10% - 20% fuel reduction and emissions reductions.
      • - Approved fuel efficient tires include NGWBS tires (XOne, Greatec) and others.
u s energy independence and security act eisa dec 2007
U.S. Energy Independence and Security Act (EISA) - Dec. 2007
  • DOT to include truck fuel economy study.
    • National Academy of Sciences
      • Assess technologies to improve fuel economy of medium, heavy-duty, and work trucks.
      • Project scope (report due March 2010)
        • Assessment of fuel economy technologies for medium and heavy-duty vehicles.
        • Regulatory barriers and societal benefits of NGWBS tires included in assessment.
    • NHTSA
      • Conduct a study to develop recommendations for fuel economy standards for medium and heavy duty vehicles and work trucks.
        • 1 year after the NAS study.
      • Develop regulations for medium and heavy duty vehicles and work trucks (within 2 years of NHTSA study).
ngwbs mexico
NGWBS - Mexico
  • NGWBS approval @ 18,000# /axle.
    • - March 5, 2008 Diario Oficial on SCT approval.
    • ● States ”Michelin X-One radial, tubeless, Infini-coilTM, 455/55R22.5 and 445/50R22.5, LR L”
  • NGWBS tire continuing efforts. - Ministry of Transport proposal
        • ●Braking, handling, maneuverability, and blow-out data for double trailer combination.
        • - Michelin testing completed previously and to be reviewed for submission.
ngwbs canada april 2008 mou
NGWBS – Canada April 2008 MOU

# 6K kg/axle Class 3 &

secondary roads

*Influential province

NGWBS to Canadian dual

tire axle (9,000 kg/19850#)

parity ($ $NGWBS permits)

NGWBS 8,500 kg/18,750#

YT

NUNAVUT

NWT #

NFLD #

QUE *

$ $

BC *

PEI

MAN

NS

ALTA *

SASK

ONT *

NB #

$ $

NGWBS tire @ U.S. dual tire axle parity (7,700 kg/17,000#)

new generation wide base single truck tire11

New Generation Wide Base Single Truck Tire

WASHTO Spring Highway Transportation Committee Conference

March 10, 2009 Albuquerque, NM

Questions ?

Stan Lew

Industry Standards & Government Regulations

Michelin North America, Inc.