Is local H₀at odds with dark energy EFT?

Abstract Local H_0 determinations currently fall in a window between H 0 ? 70 km/s/Mpc (TRGB) and 76 (Tully-Fisher). In contrast, BAO data calibrated an early ?CDM universe are largely consistent with Planck-?CDM, 67.5 km/s/Mpc. Employing generic two parameter family of evolving equations state (EoS) for dark energy (DE) w DE ( z ) mock data, we demonstrate that if i) = 0) < -1 ii) integrated density less than ?CDM, then increases. EoS violate these conditions at best lead to modest increases within 1 ? . Tellingly, Quintessence K-essence satisfy neither condition, whereas coupled can only ii). Beyond seminal Effective Field Theories (EFTs), turn explicit examples. Working model agnostically expansion powers redshift , show Brans-Dicke/ f R Kinetic Gravity Braiding models the Horndeski class marginal respectively. We confirm as far increasing is concerned, no EFT outperform phenomenological models. Evidently, late may longer be large enough accommodate described by EFT.