LONDON July 23 (Reuters) - Differentials on large diesel cargoes were supported by active bids by majors and a wholesaler across Europe on Friday as summer holiday driving demand typically peaks in late July and August. DIESEL * BP and UK wholesaler Greenergy bid actively this week. BP bought the French spec from Litasco at a $18 premium a tonne cif NWE to August ICE gas oil futures. * Greenergy bought the UK spec from Glencore at the benchmark plus $21. * In the Mediterranean, Total bought the French spec at the benchmark plus $17.50 a tonne cif. BP and Shell placed bids around $15 premiums. * Barges traded at $8.50/$10 premiums a tonne fob ARA. GAS OIL * A cargo was bit at a $5 premium a tonne cif in the Mediterranean. * Barges were around $6 discounts at tonne fob ARA. * August ICE gas oil futures fell $1 to $652.25 a tonne by 1625 GMT. * The contango between August and September was around $5.75 a tonne LGO-1=R. The prompt crack eased to $11.05 a barrel. * The crack has fallen from around $13.50 a barrel in late June due to an increase in supplies from refineries following the completion of most of the planned maintenance work. [O/EUROIL2] * ICE Brent crude LCOc1 fell 62 cents to $77.20 a barrel. JET FUEL * No barges or cargoes traded. * Swaps were flat at the front end of the curve benchmark plus $53 a tonne cif NWE for August and September. FUEL OIL * Barges of high-sulphur fuel oil (HSFO) was little changed at $432.50-$432.50 a tonne fob ARA. Low sulphur fuel was at $473-$475. * HSFO's crack to Brent firmed by about 45 cents to minus $9.15 a barrel. (Reporting by Ikuko Kurahone, editing by Anthony Barker)

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