JAKARTA, July 24 (Reuters) - Indonesia, the world's greatest palm oil manufacturer, is checking fuel with a view to increasing to 40% from 35% the share of palm-oil combined into biodiesel next year, the energy ministry said.

If executed, the B40 required might increase biodiesel usage to up to 16 million kilolitres (KL) next year, the ministry stated, from 13 million KL approximated to be consumed in 2024.

"We hope the trials could be ended up in December, so that complete application of B40 could be carried out in 2025," energy ministry senior main Eniya Listiani Dewi said in a statement on Tuesday.

The Indonesian Biofuel Producers Association (APROBI) stated the industry had the capability to fulfill B40 need, with installed capability expected to rise to 20 million KL annually next year from 18 million KL now.

"However we will need more basic materials to meet B40 demand," Ernest Gunawan, the secretary general of APROBI informed Reuters on Wednesday.

The biodiesel industry would need 13.9 million metric lots of crude palm oil to produce 16 million KL biodiesel next year, from the approximated 11 million lots required this year, he .

Indonesia's biggest palm oil association GAPKI stated a decline in exports indicated there would be enough raw products to provide the B40 required for now.

But the industry would require to examine "which one would be better", GAPKI chairman Eddy Martono stated, referring to the possibility a boost in exports would make providing the domestic market less practical.

Indonesia's palm oil output is approximated to reach 54.4 million heaps in 2024, a 2.26% boost from in 2015, while exports are anticipated to decline by 2.47% to 29.5 million lots as domestic consumption increased, driven by biodiesel required.

The ministry had tested the biodiesel, combined with 40% of palm oil, on a train for the very first time earlier this week, while preparing to evaluate the B40 mix on farming machinery, power plants and in the shipping industry, it stated. (Reporting by Bernadette Christina and Dewi Kurniawati