• tomo
    #66
    tessek
    az USAban 2002 ben az alabbi volt a megszlas:
    51% utazas
    17,5% szallitas
    15% meleg ( eromu )



    "Travel — Four categories of motorized travel (denoted by “T”
    in the table) — cars and other passenger vehicles, air travel,
    road pavement and recreational vehicles — account for just
    over half (51%) of U.S. petroleum consumption. Auto and air
    travel together account for more than half of the oil savings in
    both plans.
    Freight — The four major categories of goods movement —
    trucks, ships, rail and air — together account for 17.5% of
    U.S. oil use. Most of this sector lies beyond the reach of
    behavior by individuals, and we target it only in the 10% Plan.
    Heat — Just under 15% of the oil is burned to provide heat,
    either as a means (factory or refinery process heat, or
    electricity generation), or as an end in itself (space or hot
    water heating). All four categories offer opportunities for
    saving oil through personal conservation steps, as we discuss
    below.
    Miscellany — The remaining four categories — chemical
    feedstocks, agriculture, military use and construction
    machinery — total almost 16% of U.S. oil usage. Only in
    feedstocks are there opportunities for immediate savings
    through changes in behavior."

    end of oil age tanulmany